feat(crud)!: make crudbuilder integration more easy by integrating blocbuilder (closes #181)
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@ -35,91 +35,81 @@ class AdvancedCubitView extends StatelessWidget {
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create: (context) =>
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UserAdvancedCubit(context.read<CrudRepository<User>>())
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..streaming(),
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child: Builder(builder: (context) {
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return Column(
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children: [
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BlocBuilder<UserAdvancedCubit, CrudState>(
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buildWhen: (previous, current) {
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if (current is CrudLoading && current is! CrudReading) {
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return false;
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}
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return true;
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},
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builder: (context, state) {
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return Expanded(
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child: CrudBuilder.typed<CrudListLoaded<User?>>(
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state: state,
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builder: ((context, state) {
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return ListView.builder(
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itemCount: state.data.length,
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itemBuilder: (context, index) {
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final user = state.data.elementAt(index);
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return ListTile(
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title: Text(user?.name ?? 'Error'),
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subtitle: Text(user?.email ?? 'Error'),
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onTap: () {
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context
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.read<UserAdvancedCubit>()
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.delete((user?.id)!);
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},
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onLongPress: () {
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context.read<UserAdvancedCubit>().update(
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UpdateParameters(
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id: user?.id ?? '',
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raw: {
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'email': '${user?.id}@updated.io',
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}),
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);
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},
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);
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},
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);
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}),
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initialBuilder: (context, state) =>
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const Center(child: CircularProgressIndicator()),
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loadingBuilder: (context, state) =>
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const Center(child: CircularProgressIndicator()),
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errorBuilder: (context, state) => Text("Error: $state"),
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),
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);
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},
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),
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const SizedBox(height: 20),
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ElevatedButton(
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onPressed: () {
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final r = Random().nextInt(1000);
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context.read<UserAdvancedCubit>().create(
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User(
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id: '$r',
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name: 'Wyatt $r',
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email: '$r@wyattapp.io',
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phone: '06$r',
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),
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child: Builder(
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builder: (context) {
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return Column(
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children: [
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Expanded(
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child:
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CrudBuilder.typed<UserAdvancedCubit, CrudListLoaded<User?>>(
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buildWhen: (previous, current) {
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if (current is CrudLoading && current is! CrudReading) {
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return false;
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}
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return true;
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},
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builder: ((context, state) {
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return ListView.builder(
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itemCount: state.data.length,
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itemBuilder: (context, index) {
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final user = state.data.elementAt(index);
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return ListTile(
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title: Text(user?.name ?? 'Error'),
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subtitle: Text(user?.email ?? 'Error'),
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onTap: () {
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context.read<UserAdvancedCubit>().delete((user?.id)!);
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},
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onLongPress: () {
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context.read<UserAdvancedCubit>().update(
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UpdateParameters(id: user?.id ?? '', raw: {
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'email': '${user?.id}@updated.io',
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}),
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);
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},
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);
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},
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);
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},
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child: BlocBuilder<UserAdvancedCubit, CrudState>(
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buildWhen: (previous, current) {
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if (current is CrudLoading && current is! CrudCreating) {
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return false;
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}
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return true;
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},
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builder: (context, state) {
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return state is CrudCreating
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? const SizedBox(
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width: 20,
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height: 20,
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child: CircularProgressIndicator(
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color: Colors.white,
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),
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)
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: const Text("Create");
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},
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}),
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initialBuilder: (context, state) =>
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const Center(child: CircularProgressIndicator()),
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loadingBuilder: (context, state) =>
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const Center(child: CircularProgressIndicator()),
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errorBuilder: (context, state) => Text("Error: $state"),
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),
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),
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),
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],
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);
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}),
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const SizedBox(height: 20),
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ElevatedButton(
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onPressed: () {
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final r = Random().nextInt(1000);
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context.read<UserAdvancedCubit>().create(
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User(
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id: '$r',
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name: 'Wyatt $r',
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email: '$r@wyattapp.io',
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phone: '06$r',
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),
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);
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},
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child: CrudBuilder.onLoading<UserAdvancedCubit>(
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builder: (context, state) {
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if (state is CrudCreating) {
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return const SizedBox(
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width: 20,
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height: 20,
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child: CircularProgressIndicator(
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color: Colors.white,
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),
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);
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}
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return null;
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},
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otherBuilder: (context, state) => const Text("Create"),
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),
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),
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],
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);
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}
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),
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),
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);
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}
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@ -37,51 +37,44 @@ class BasicCubitView extends StatelessWidget {
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child: Builder(builder: (context) {
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return Column(
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children: [
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BlocBuilder<UserCubit, CrudState>(
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buildWhen: (previous, current) {
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if (current is CrudLoading && current is! CrudReading) {
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return false;
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}
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return true;
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},
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builder: (context, state) {
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return Expanded(
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child: CrudBuilder.typed<CrudListLoaded<User?>>(
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state: state,
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builder: ((context, state) {
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return ListView.builder(
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itemCount: state.data.length,
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itemBuilder: (context, index) {
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final user = state.data.elementAt(index);
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return ListTile(
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title: Text(user?.name ?? 'Error'),
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subtitle: Text(user?.email ?? 'Error'),
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onTap: () {
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context
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.read<UserCubit>()
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.delete(id: (user?.id)!);
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},
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onLongPress: () {
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context.read<UserCubit>().update(
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single: UpdateParameters(
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id: user?.id ?? '',
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raw: {
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'email': '${user?.id}@updated.io',
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}),
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);
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},
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);
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Expanded(
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child: CrudBuilder.typed<UserCubit, CrudListLoaded<User?>>(
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buildWhen: (previous, current) {
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if (current is CrudLoading && current is! CrudReading) {
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return false;
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}
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return true;
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},
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builder: ((context, state) {
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return ListView.builder(
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itemCount: state.data.length,
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itemBuilder: (context, index) {
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final user = state.data.elementAt(index);
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return ListTile(
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title: Text(user?.name ?? 'Error'),
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subtitle: Text(user?.email ?? 'Error'),
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onTap: () {
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context.read<UserCubit>().delete(id: (user?.id)!);
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},
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onLongPress: () {
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context.read<UserCubit>().update(
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single: UpdateParameters(
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id: user?.id ?? '',
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raw: {
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'email': '${user?.id}@updated.io',
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}),
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);
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},
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);
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}),
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initialBuilder: (context, state) =>
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const Center(child: CircularProgressIndicator()),
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loadingBuilder: (context, state) =>
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const Center(child: CircularProgressIndicator()),
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errorBuilder: (context, state) => Text("Error: $state"),
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),
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);
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},
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},
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);
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}),
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initialBuilder: (context, state) =>
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const Center(child: CircularProgressIndicator()),
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loadingBuilder: (context, state) =>
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const Center(child: CircularProgressIndicator()),
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errorBuilder: (context, state) => Text("Error: $state"),
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),
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),
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const SizedBox(height: 20),
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ElevatedButton(
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@ -96,48 +89,40 @@ class BasicCubitView extends StatelessWidget {
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),
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);
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},
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child: BlocBuilder<UserCubit, CrudState>(
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buildWhen: (previous, current) {
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if (current is CrudLoading && current is! CrudCreating) {
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return false;
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}
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return true;
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},
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child: CrudBuilder.onLoading<UserCubit>(
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builder: (context, state) {
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return state is CrudCreating
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? const SizedBox(
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width: 20,
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height: 20,
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child: CircularProgressIndicator(
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color: Colors.white,
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),
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)
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: const Text("Create");
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if (state is CrudCreating) {
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return const SizedBox(
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width: 20,
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height: 20,
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child: CircularProgressIndicator(
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color: Colors.white,
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),
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);
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}
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return null;
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},
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otherBuilder: (context, state) => const Text("Create"),
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),
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),
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ElevatedButton(
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onPressed: () {
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context.read<UserCubit>().read();
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},
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child: BlocBuilder<UserCubit, CrudState>(
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buildWhen: (previous, current) {
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if (current is CrudLoading && current is! CrudReading) {
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return false;
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}
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return true;
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},
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child: CrudBuilder.onLoading<UserCubit>(
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builder: (context, state) {
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return state is CrudReading
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? const SizedBox(
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width: 20,
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height: 20,
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child: CircularProgressIndicator(
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color: Colors.white,
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),
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)
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: const Text("Read");
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if (state is CrudReading) {
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return const SizedBox(
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width: 20,
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height: 20,
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child: CircularProgressIndicator(
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color: Colors.white,
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),
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);
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}
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return null;
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},
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otherBuilder: (context, state) => const Text("Read"),
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),
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),
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const SizedBox(height: 20),
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@ -37,51 +37,47 @@ class StreamingCubitView extends StatelessWidget {
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child: Builder(builder: (context) {
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return Column(
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children: [
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BlocBuilder<UserStreamingCubit, CrudState>(
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buildWhen: (previous, current) {
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if (current is CrudLoading && current is! CrudReading) {
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return false;
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}
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return true;
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},
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builder: (context, state) {
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return Expanded(
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child: CrudBuilder.typed<CrudListLoaded<User?>>(
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state: state,
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builder: ((context, state) {
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return ListView.builder(
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itemCount: state.data.length,
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itemBuilder: (context, index) {
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final user = state.data.elementAt(index);
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return ListTile(
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title: Text(user?.name ?? 'Error'),
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subtitle: Text(user?.email ?? 'Error'),
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onTap: () {
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context
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.read<UserStreamingCubit>()
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.delete(id: (user?.id)!);
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},
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onLongPress: () {
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context.read<UserStreamingCubit>().update(
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single: UpdateParameters(
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id: user?.id ?? '',
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raw: {
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'email': '${user?.id}@updated.io',
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}),
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);
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},
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);
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Expanded(
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child: CrudBuilder.typed<UserStreamingCubit,
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CrudListLoaded<User?>>(
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buildWhen: (previous, current) {
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if (current is CrudLoading && current is! CrudReading) {
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return false;
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}
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return true;
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},
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builder: ((context, state) {
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return ListView.builder(
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itemCount: state.data.length,
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itemBuilder: (context, index) {
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final user = state.data.elementAt(index);
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return ListTile(
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title: Text(user?.name ?? 'Error'),
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subtitle: Text(user?.email ?? 'Error'),
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onTap: () {
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context
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.read<UserStreamingCubit>()
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.delete(id: (user?.id)!);
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},
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onLongPress: () {
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context.read<UserStreamingCubit>().update(
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single: UpdateParameters(
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id: user?.id ?? '',
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raw: {
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'email': '${user?.id}@updated.io',
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}),
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);
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},
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);
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}),
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initialBuilder: (context, state) =>
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const Center(child: CircularProgressIndicator()),
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loadingBuilder: (context, state) =>
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const Center(child: CircularProgressIndicator()),
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errorBuilder: (context, state) => Text("Error: $state"),
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),
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);
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},
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},
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);
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}),
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initialBuilder: (context, state) =>
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const Center(child: CircularProgressIndicator()),
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loadingBuilder: (context, state) =>
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const Center(child: CircularProgressIndicator()),
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errorBuilder: (context, state) => Text("Error: $state"),
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),
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),
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const SizedBox(height: 20),
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ElevatedButton(
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@ -96,24 +92,20 @@ class StreamingCubitView extends StatelessWidget {
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),
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);
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},
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child: BlocBuilder<UserStreamingCubit, CrudState>(
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buildWhen: (previous, current) {
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if (current is CrudLoading && current is! CrudCreating) {
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return false;
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}
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return true;
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},
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child: CrudBuilder.onLoading<UserStreamingCubit>(
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builder: (context, state) {
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return state is CrudCreating
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? const SizedBox(
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width: 20,
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height: 20,
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child: CircularProgressIndicator(
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color: Colors.white,
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),
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)
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: const Text("Create");
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if (state is CrudCreating) {
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return const SizedBox(
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width: 20,
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height: 20,
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child: CircularProgressIndicator(
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color: Colors.white,
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),
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);
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}
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return null;
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},
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otherBuilder: (context, state) => const Text("Create"),
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),
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),
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],
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@ -15,26 +15,27 @@
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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import 'package:flutter/material.dart';
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import 'package:flutter_bloc/flutter_bloc.dart';
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import 'package:wyatt_crud_bloc/src/features/crud/blocs/crud_base_cubit/crud_base_cubit.dart';
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/// {@template crud_builder}
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/// A widget that builds itself based on the latest snapshot of interaction
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/// with a [CrudBaseCubit].
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///
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/// * I = Initial State
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/// * L = Loading State
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/// * S = Success State
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/// * E = Error State
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/// {@endtemplate}
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class CrudBuilder<I, L, S, E> extends StatelessWidget {
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class CrudBuilder<
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Bloc extends StateStreamable<CrudState>,
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Initial extends CrudState,
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Loading extends CrudState,
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Success extends CrudState,
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Error extends CrudState> extends StatelessWidget {
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/// {@macro crud_builder}
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const CrudBuilder({
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required this.state,
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required this.builder,
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required this.initialBuilder,
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required this.loadingBuilder,
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required this.errorBuilder,
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this.unknownBuilder,
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this.buildWhen,
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super.key,
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});
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@ -43,50 +44,121 @@ class CrudBuilder<I, L, S, E> extends StatelessWidget {
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/// This factory constructor is used to create a [CrudBuilder] with
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/// [CrudState]s. `S` is the Success State, and it must be a subtype of
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/// [CrudSuccess]. It the only type that you have to specify.
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static CrudBuilder<CrudInitial, CrudLoading, CrudSuccess, CrudError>
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typed<S extends CrudSuccess>({
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required CrudState state,
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required Widget Function(BuildContext, S) builder,
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static CrudBuilder<Bloc, CrudInitial, CrudLoading, CrudSuccess, CrudError>
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typed<Bloc extends StateStreamable<CrudState>,
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Success extends CrudSuccess>({
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required Widget Function(BuildContext, Success) builder,
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required Widget Function(BuildContext, CrudInitial) initialBuilder,
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required Widget Function(BuildContext, CrudLoading) loadingBuilder,
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required Widget Function(BuildContext, CrudError) errorBuilder,
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Widget Function(BuildContext, Object)? unknownBuilder,
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Widget Function(BuildContext, CrudState)? unknownBuilder,
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BlocBuilderCondition<CrudState>? buildWhen,
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}) =>
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CrudBuilder<CrudInitial, CrudLoading, S, CrudError>(
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state: state,
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CrudBuilder<Bloc, CrudInitial, CrudLoading, Success, CrudError>(
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builder: builder,
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initialBuilder: initialBuilder,
|
||||
loadingBuilder: loadingBuilder,
|
||||
errorBuilder: errorBuilder,
|
||||
unknownBuilder: unknownBuilder,
|
||||
buildWhen: buildWhen,
|
||||
);
|
||||
|
||||
final Object state;
|
||||
final Widget Function(BuildContext context, S state) builder;
|
||||
final Widget Function(BuildContext context, I state) initialBuilder;
|
||||
final Widget Function(BuildContext context, L state) loadingBuilder;
|
||||
final Widget Function(BuildContext context, E state) errorBuilder;
|
||||
final Widget Function(BuildContext context, Object state)? unknownBuilder;
|
||||
/// {@macro crud_builder}
|
||||
///
|
||||
/// This factory constructor is used to create a [CrudBuilder] wich reacts
|
||||
/// only to [CrudLoading] states.
|
||||
static CrudBuilder<Bloc, CrudInitial, CrudLoading, CrudSuccess, CrudError>
|
||||
onLoading<Bloc extends StateStreamable<CrudState>>({
|
||||
required Widget? Function(BuildContext, CrudLoading) builder,
|
||||
Widget Function(BuildContext, CrudState)? otherBuilder,
|
||||
BlocBuilderCondition<CrudState>? buildWhen,
|
||||
}) =>
|
||||
CrudBuilder<Bloc, CrudInitial, CrudLoading, CrudSuccess, CrudError>(
|
||||
loadingBuilder: (context, state) =>
|
||||
builder.call(context, state) ??
|
||||
otherBuilder?.call(context, state) ??
|
||||
const SizedBox.shrink(),
|
||||
builder: (context, state) =>
|
||||
otherBuilder?.call(context, state) ?? const SizedBox.shrink(),
|
||||
initialBuilder: (context, state) =>
|
||||
otherBuilder?.call(context, state) ?? const SizedBox.shrink(),
|
||||
errorBuilder: (context, state) =>
|
||||
otherBuilder?.call(context, state) ?? const SizedBox.shrink(),
|
||||
unknownBuilder: otherBuilder,
|
||||
buildWhen: buildWhen,
|
||||
);
|
||||
|
||||
/// {@macro crud_builder}
|
||||
///
|
||||
/// This factory constructor is used to create a [CrudBuilder] wich reacts
|
||||
/// only to [CrudInitial] states.
|
||||
static CrudBuilder<Bloc, CrudInitial, CrudLoading, CrudSuccess, CrudError>
|
||||
onInitial<Bloc extends StateStreamable<CrudState>>({
|
||||
required Widget? Function(BuildContext, CrudInitial) builder,
|
||||
Widget Function(BuildContext, CrudState)? otherBuilder,
|
||||
BlocBuilderCondition<CrudState>? buildWhen,
|
||||
}) =>
|
||||
CrudBuilder<Bloc, CrudInitial, CrudLoading, CrudSuccess, CrudError>(
|
||||
initialBuilder: (context, state) =>
|
||||
builder.call(context, state) ??
|
||||
otherBuilder?.call(context, state) ??
|
||||
const SizedBox.shrink(),
|
||||
builder: (context, state) =>
|
||||
otherBuilder?.call(context, state) ?? const SizedBox.shrink(),
|
||||
loadingBuilder: (context, state) =>
|
||||
otherBuilder?.call(context, state) ?? const SizedBox.shrink(),
|
||||
errorBuilder: (context, state) =>
|
||||
otherBuilder?.call(context, state) ?? const SizedBox.shrink(),
|
||||
unknownBuilder: otherBuilder,
|
||||
buildWhen: buildWhen,
|
||||
);
|
||||
|
||||
/// {@macro crud_builder}
|
||||
///
|
||||
/// This factory constructor is used to create a [CrudBuilder] wich reacts
|
||||
/// only to [CrudError] states.
|
||||
static CrudBuilder<Bloc, CrudInitial, CrudLoading, CrudSuccess, CrudError>
|
||||
onError<Bloc extends StateStreamable<CrudState>>({
|
||||
required Widget? Function(BuildContext, CrudError) builder,
|
||||
Widget Function(BuildContext, CrudState)? otherBuilder,
|
||||
BlocBuilderCondition<CrudState>? buildWhen,
|
||||
}) =>
|
||||
CrudBuilder<Bloc, CrudInitial, CrudLoading, CrudSuccess, CrudError>(
|
||||
errorBuilder: (context, state) =>
|
||||
builder.call(context, state) ??
|
||||
otherBuilder?.call(context, state) ??
|
||||
const SizedBox.shrink(),
|
||||
builder: (context, state) =>
|
||||
otherBuilder?.call(context, state) ?? const SizedBox.shrink(),
|
||||
loadingBuilder: (context, state) =>
|
||||
otherBuilder?.call(context, state) ?? const SizedBox.shrink(),
|
||||
initialBuilder: (context, state) =>
|
||||
otherBuilder?.call(context, state) ?? const SizedBox.shrink(),
|
||||
unknownBuilder: otherBuilder,
|
||||
buildWhen: buildWhen,
|
||||
);
|
||||
|
||||
final BlocBuilderCondition<CrudState>? buildWhen;
|
||||
final Widget Function(BuildContext context, Success state) builder;
|
||||
final Widget Function(BuildContext context, Initial state) initialBuilder;
|
||||
final Widget Function(BuildContext context, Loading state) loadingBuilder;
|
||||
final Widget Function(BuildContext context, Error state) errorBuilder;
|
||||
final Widget Function(BuildContext context, CrudState state)? unknownBuilder;
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) => Builder(
|
||||
builder: (context) {
|
||||
if (state is S) {
|
||||
return builder(context, state as S);
|
||||
} else if (state is E) {
|
||||
return errorBuilder(context, state as E);
|
||||
} else if (state is L) {
|
||||
return loadingBuilder(context, state as L);
|
||||
} else if (state is I) {
|
||||
return initialBuilder(context, state as I);
|
||||
} else {
|
||||
return unknownBuilder?.call(context, state) ??
|
||||
Center(
|
||||
child: Text(
|
||||
'Unknown state: $state',
|
||||
),
|
||||
);
|
||||
}
|
||||
Widget build(BuildContext context) => BlocBuilder<Bloc, CrudState>(
|
||||
buildWhen: buildWhen,
|
||||
builder: (context, state) => switch (state) {
|
||||
Success() => builder(context, state),
|
||||
Initial() => initialBuilder(context, state),
|
||||
Loading() => loadingBuilder(context, state),
|
||||
Error() => errorBuilder(context, state),
|
||||
_ => unknownBuilder?.call(context, state) ??
|
||||
Center(
|
||||
child: Text(
|
||||
'Unknown state: $state',
|
||||
),
|
||||
),
|
||||
},
|
||||
);
|
||||
}
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user