Create REST APIs

app/Http/Controllers/Api/V1/ProjectController.php

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+<?php
+
+namespace App\Http\Controllers\Api\V1;
+
+use App\Models\Project;
+use Illuminate\Http\Request;
+use App\Http\Controllers\Controller;
+
+
+class ProjectController extends Controller
+{
+        /* function to fetch all Projects */
+        public function index()
+        {
+            return Project::all();
+        }
+
+        /* function to fetch Project for which id given in route */
+        public function showProject($id)
+        {
+            return Project::find($id);
+        }
+
+        /* function to create new Project */
+        public function createProject()
+        {
+            $data = [
+                ['name'=>'Project 4']
+            ];
+
+            Project::insert($data);
+
+            echo  "record inserted";
+        }
+
+        /* function to update Project with specific Id */
+        public function updateProject(Request $request)
+        {
+            $id = $request->id;
+            $data = ['name'=>'Project 5'];
+
+            Project::where(['id'=>$id])
+                      ->update($data);
+            return Project::find($id);
+        }
+
+        /* function to delete Project with given Id */
+        public function deleteProject(Request $request)
+        {
+            $id = $request->id;
+            Project::where(['id'=>$id])
+                      ->delete();
+            echo "Project deleted successfully";
+        }
+}

app/Http/Controllers/Api/V1/TaskController.php

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+<?php
+
+namespace App\Http\Controllers\Api\V1;
+
+use App\Models\Task;
+use Illuminate\Http\Request;
+use App\Http\Controllers\Controller;
+
+
+class TaskController extends Controller
+{
+    /* function to fetch all Tasks */
+    public function index()
+    {
+        return Task::all();
+    }
+
+    /* function to fetch Task for which id given in route */
+    public function showTask($id)
+    {
+        return Task::find($id);
+    }
+
+    /* function to create new Task */
+    public function createTask()
+    {
+        $data = [
+            ['title'=>'Task 4', 'description'=> 'dummy text', 'status' => 1, 'project_id' => 1, 'user_id' => 1]
+        ];
+
+        Task::insert($data);
+
+        echo  "record inserted";
+    }
+
+    /* function to update Task with specific Id */
+    public function updateTask(Request $request)
+    {
+        $id = $request->id;
+        $data = ['title'=>'Task 5', 'description'=> 'dummy text updated', 'status' => 1, 'project_id' => 1, 'user_id' => 1];
+
+        Task::where(['id'=>$id])
+                  ->update($data);
+        return Task::find($id);
+    }
+
+    /* function to delete Task with given Id */
+    public function deleteTask(Request $request)
+    {
+        $id = $request->id;
+        Task::where(['id'=>$id])
+                  ->delete();
+        echo "Task deleted successfully";
+    }
+}

app/Http/Controllers/Api/V1/UserController.php

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+<?php
+
+namespace App\Http\Controllers\Api\V1;
+
+use App\Models\User;
+use Illuminate\Http\Request;
+use App\Http\Controllers\Controller;
+
+class UserController extends Controller
+{
+
+    /* function to fetch all users */
+    public function index()
+    {
+        return User::all();
+    }
+
+    /* function to fetch user for which id given in route */
+    public function showUser($id)
+    {
+        return User::find($id);
+    }
+
+    /* function to create new user */
+    public function createUser()
+    {
+        $data = [
+            ['name'=>'Jason1', 'email'=> '[email protected]', 'password' => '123']
+        ];
+
+        User::insert($data);
+
+        echo  "record inserted";
+    }
+
+    /* function to update user with specific Id */
+    public function updateUser(Request $request)
+    {
+        $id = $request->id;
+        $data = ['name'=>'Jason2', 'email'=> '[email protected]', 'password' => '1234'];
+
+        User::where(['id'=>$id])
+                  ->update($data);
+        return User::find($id);
+    }
+
+    /* function to delete user with given Id */
+    public function deleteUser(Request $request)
+    {
+        $id = $request->id;
+        User::where(['id'=>$id])
+                  ->delete();
+        echo "User deleted successfully";
+    }
+}

app/Models/Project.php

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+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class Project extends Model
+{
+    use HasFactory;
+}

app/Models/Task.php

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+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class Task extends Model
+{
+    use HasFactory;
+}