Add Support for Advance Labels ( LabelV2)

Add Support for Custom Migration to keep supporting two database( sqlite and postgres)
Migration from Label to LabelV2

internal/label/handler.go

@@ -0,0 +1,176 @@
+package label
+
+import (
+	"strconv"
+
+	auth "donetick.com/core/internal/authorization"
+	lModel "donetick.com/core/internal/label/model"
+	lRepo "donetick.com/core/internal/label/repo"
+	jwt "github.com/appleboy/gin-jwt/v2"
+	"github.com/gin-gonic/gin"
+)
+
+type LabelReq struct {
+	Name  string `json:"name" binding:"required"`
+	Color string `json:"color"`
+}
+
+type UpdateLabelReq struct {
+	ID int `json:"id" binding:"required"`
+	LabelReq
+}
+
+type Handler struct {
+	lRepo *lRepo.LabelRepository
+}
+
+func NewHandler(lRepo *lRepo.LabelRepository) *Handler {
+	return &Handler{
+		lRepo: lRepo,
+	}
+}
+
+func (h *Handler) getLabels(c *gin.Context) {
+	// get current user:
+	currentUser, ok := auth.CurrentUser(c)
+	if !ok {
+		c.JSON(500, gin.H{
+			"error": "Error getting current user",
+		})
+		return
+	}
+
+	labels, err := h.lRepo.GetUserLabels(c, currentUser.ID, currentUser.CircleID)
+	if err != nil {
+		c.JSON(500, gin.H{
+			"error": "Error getting labels",
+		})
+		return
+	}
+	c.JSON(200,
+		labels,
+	)
+}
+
+func (h *Handler) createLabel(c *gin.Context) {
+	// get current user:
+	currentUser, ok := auth.CurrentUser(c)
+	if !ok {
+		c.JSON(500, gin.H{
+			"error": "Error getting current user",
+		})
+		return
+	}
+
+	var req LabelReq
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(400, gin.H{
+			"error": "Error binding label",
+		})
+		return
+	}
+
+	label := &lModel.Label{
+		Name:      req.Name,
+		Color:     req.Color,
+		CreatedBy: currentUser.ID,
+	}
+	if err := h.lRepo.CreateLabels(c, []*lModel.Label{label}); err != nil {
+		c.JSON(500, gin.H{
+			"error": "Error creating label",
+		})
+		return
+	}
+
+	c.JSON(200, gin.H{
+		"res": label,
+	})
+}
+
+func (h *Handler) updateLabel(c *gin.Context) {
+	currentUser, ok := auth.CurrentUser(c)
+	if !ok {
+		c.JSON(500, gin.H{
+			"error": "Error getting current user",
+		})
+		return
+	}
+
+	var req UpdateLabelReq
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(400, gin.H{
+			"error": "Error binding label",
+		})
+		return
+	}
+
+	label := &lModel.Label{
+		Name:  req.Name,
+		Color: req.Color,
+		ID:    req.ID,
+	}
+	if err := h.lRepo.UpdateLabel(c, currentUser.ID, label); err != nil {
+		c.JSON(500, gin.H{
+			"error": "Error updating label",
+		})
+		return
+	}
+
+	c.JSON(200, gin.H{
+		"res": label,
+	})
+}
+
+func (h *Handler) deleteLabel(c *gin.Context) {
+	currentUser, ok := auth.CurrentUser(c)
+	// read label id from path:
+
+	if !ok {
+		c.JSON(500, gin.H{
+			"error": "Error getting current user",
+		})
+		return
+	}
+
+	labelIDRaw := c.Param("id")
+	if labelIDRaw == "" {
+		c.JSON(400, gin.H{
+			"error": "Label ID is required",
+		})
+		return
+	}
+
+	labelID, err := strconv.Atoi(labelIDRaw)
+	if err != nil {
+		c.JSON(400, gin.H{
+			"error": "Invalid label ID",
+		})
+		return
+	}
+
+	// unassociate label from all chores:
+	if err := h.lRepo.DeassignLabelFromAllChoreAndDelete(c, currentUser.ID, labelID); err != nil {
+		c.JSON(500, gin.H{
+			"error": "Error unassociating label from chores",
+		})
+		return
+	}
+
+	c.JSON(200, gin.H{
+		"res": "Label deleted",
+	})
+
+}
+
+func Routes(r *gin.Engine, h *Handler, auth *jwt.GinJWTMiddleware) {
+
+	labelRoutes := r.Group("labels")
+	labelRoutes.Use(auth.MiddlewareFunc())
+	{
+		labelRoutes.GET("", h.getLabels)
+		labelRoutes.POST("", h.createLabel)
+		labelRoutes.PUT("", h.updateLabel)
+		labelRoutes.DELETE("/:id", h.deleteLabel)
+	}
+
+}