first commit

backend/models/task.go

@@ -0,0 +1,125 @@
+package models
+
+import (
+	"time"
+
+	"gorm.io/gorm"
+)
+
+type Task struct {
+	ID        uint           `json:"id" gorm:"primaryKey"`
+	CreatedAt time.Time      `json:"created_at"`
+	UpdatedAt time.Time      `json:"updated_at"`
+	DeletedAt gorm.DeletedAt `json:"deleted_at" gorm:"index"`
+
+	Title       string     `json:"title" gorm:"not null"`
+	Description string     `json:"description"`
+	Status      string     `json:"status" gorm:"default:'todo'"`     // todo, in_progress, review, done
+	Priority    string     `json:"priority" gorm:"default:'medium'"` // low, medium, high, urgent
+	DueDate     *time.Time `json:"due_date"`
+	CompletedAt *time.Time `json:"completed_at"`
+	Position    int        `json:"position" gorm:"default:0"` // For ordering in kanban board
+
+	// Foreign Keys
+	ProjectID    uint  `json:"project_id" gorm:"not null"`
+	AssignedToID *uint `json:"assigned_to_id"`
+	CreatedByID  uint  `json:"created_by_id" gorm:"not null"`
+
+	// Relationships
+	Project    Project      `json:"project" gorm:"foreignKey:ProjectID"`
+	AssignedTo *User        `json:"assigned_to" gorm:"foreignKey:AssignedToID"`
+	CreatedBy  User         `json:"created_by" gorm:"foreignKey:CreatedByID"`
+	Comments   []Comment    `json:"comments" gorm:"foreignKey:TaskID"`
+	Files      []FileUpload `json:"files" gorm:"foreignKey:TaskID"`
+	Subtasks   []Subtask    `json:"subtasks" gorm:"foreignKey:ParentTaskID"`
+	Labels     []Label      `json:"labels" gorm:"many2many:task_labels"`
+}
+
+type Subtask struct {
+	ID        uint           `json:"id" gorm:"primaryKey"`
+	CreatedAt time.Time      `json:"created_at"`
+	UpdatedAt time.Time      `json:"updated_at"`
+	DeletedAt gorm.DeletedAt `json:"deleted_at" gorm:"index"`
+
+	Title       string     `json:"title" gorm:"not null"`
+	Description string     `json:"description"`
+	Status      string     `json:"status" gorm:"default:'todo'"` // todo, in_progress, done
+	Position    int        `json:"position" gorm:"default:0"`
+	CompletedAt *time.Time `json:"completed_at"`
+
+	// Foreign Keys
+	ParentTaskID uint  `json:"parent_task_id" gorm:"not null"`
+	AssignedToID *uint `json:"assigned_to_id"`
+
+	// Relationships
+	ParentTask Task  `json:"parent_task" gorm:"foreignKey:ParentTaskID"`
+	AssignedTo *User `json:"assigned_to" gorm:"foreignKey:AssignedToID"`
+}
+
+type Label struct {
+	ID        uint           `json:"id" gorm:"primaryKey"`
+	CreatedAt time.Time      `json:"created_at"`
+	UpdatedAt time.Time      `json:"updated_at"`
+	DeletedAt gorm.DeletedAt `json:"deleted_at" gorm:"index"`
+
+	Name  string `json:"name" gorm:"not null"`
+	Color string `json:"color" gorm:"default:'#6b7280'"` // Hex color
+
+	// Foreign Keys
+	ProjectID uint `json:"project_id" gorm:"not null"`
+
+	// Relationships
+	Project Project `json:"project" gorm:"foreignKey:ProjectID"`
+	Tasks   []Task  `json:"tasks" gorm:"many2many:task_labels"`
+}
+
+type Comment struct {
+	ID        uint           `json:"id" gorm:"primaryKey"`
+	CreatedAt time.Time      `json:"created_at"`
+	UpdatedAt time.Time      `json:"updated_at"`
+	DeletedAt gorm.DeletedAt `json:"deleted_at" gorm:"index"`
+
+	Content string `json:"content" gorm:"not null"`
+
+	// Foreign Keys
+	TaskID uint `json:"task_id" gorm:"not null"`
+	UserID uint `json:"user_id" gorm:"not null"`
+
+	// Relationships
+	Task Task `json:"task" gorm:"foreignKey:TaskID"`
+	User User `json:"user" gorm:"foreignKey:UserID"`
+}
+
+// IsOverdue checks if the task is overdue
+func (t *Task) IsOverdue() bool {
+	if t.DueDate == nil {
+		return false
+	}
+	return t.Status != "done" && t.DueDate.Before(time.Now())
+}
+
+// GetCompletionPercentage returns the completion percentage based on subtasks
+func (t *Task) GetCompletionPercentage() int {
+	if len(t.Subtasks) == 0 {
+		if t.Status == "done" {
+			return 100
+		}
+		return 0
+	}
+
+	completed := 0
+	for _, subtask := range t.Subtasks {
+		if subtask.Status == "done" {
+			completed++
+		}
+	}
+
+	return (completed * 100) / len(t.Subtasks)
+}
+
+// MarkAsCompleted marks the task as completed
+func (t *Task) MarkAsCompleted() {
+	t.Status = "done"
+	now := time.Now()
+	t.CompletedAt = &now
+}