feat: Notifiers CRUD (#337)

* introduce scaffold for new models

* wip: shoutrrr wrapper (may remove)

* update schema files

* gen: ent code

* gen: migrations

* go mod tidy

* add group_id to notifier

* db migration

* new mapper helpers

* notifier repo

* introduce experimental adapter pattern for hdlrs

* refactor adapters to fit more common use cases

* new routes for notifiers

* update errors to fix validation panic

* go tidy

* reverse checkbox label display

* wip: notifiers UI

* use badges instead of text

* improve documentation

* add scaffold schema reference

* remove notifier service

* refactor schema folder

* support group edges via scaffold

* delete test file

* include link to API docs

* audit and update documentation + improve format

* refactor schema edges

* refactor

* add custom validator

* set validate + order fields by name

* fix failing tests

backend/internal/data/ent/notifier_delete.go

@@ -0,0 +1,88 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/schema/field"
+	"github.com/hay-kot/homebox/backend/internal/data/ent/notifier"
+	"github.com/hay-kot/homebox/backend/internal/data/ent/predicate"
+)
+
+// NotifierDelete is the builder for deleting a Notifier entity.
+type NotifierDelete struct {
+	config
+	hooks    []Hook
+	mutation *NotifierMutation
+}
+
+// Where appends a list predicates to the NotifierDelete builder.
+func (nd *NotifierDelete) Where(ps ...predicate.Notifier) *NotifierDelete {
+	nd.mutation.Where(ps...)
+	return nd
+}
+
+// Exec executes the deletion query and returns how many vertices were deleted.
+func (nd *NotifierDelete) Exec(ctx context.Context) (int, error) {
+	return withHooks[int, NotifierMutation](ctx, nd.sqlExec, nd.mutation, nd.hooks)
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (nd *NotifierDelete) ExecX(ctx context.Context) int {
+	n, err := nd.Exec(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return n
+}
+
+func (nd *NotifierDelete) sqlExec(ctx context.Context) (int, error) {
+	_spec := sqlgraph.NewDeleteSpec(notifier.Table, sqlgraph.NewFieldSpec(notifier.FieldID, field.TypeUUID))
+	if ps := nd.mutation.predicates; len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	affected, err := sqlgraph.DeleteNodes(ctx, nd.driver, _spec)
+	if err != nil && sqlgraph.IsConstraintError(err) {
+		err = &ConstraintError{msg: err.Error(), wrap: err}
+	}
+	nd.mutation.done = true
+	return affected, err
+}
+
+// NotifierDeleteOne is the builder for deleting a single Notifier entity.
+type NotifierDeleteOne struct {
+	nd *NotifierDelete
+}
+
+// Where appends a list predicates to the NotifierDelete builder.
+func (ndo *NotifierDeleteOne) Where(ps ...predicate.Notifier) *NotifierDeleteOne {
+	ndo.nd.mutation.Where(ps...)
+	return ndo
+}
+
+// Exec executes the deletion query.
+func (ndo *NotifierDeleteOne) Exec(ctx context.Context) error {
+	n, err := ndo.nd.Exec(ctx)
+	switch {
+	case err != nil:
+		return err
+	case n == 0:
+		return &NotFoundError{notifier.Label}
+	default:
+		return nil
+	}
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (ndo *NotifierDeleteOne) ExecX(ctx context.Context) {
+	if err := ndo.Exec(ctx); err != nil {
+		panic(err)
+	}
+}