feat(contacts): initiate voice calls

internal/handler/api/v1/contact_handler.go

@@ -1,11 +1,13 @@
 package v1
 
 import (
+	"errors"
 	"io"
 	"net/http"
 	"strconv"
 
 	"github.com/gin-gonic/gin"
+	"gorm.io/gorm"
 
 	"github.com/gochat/gochat/internal/model"
 	"github.com/gochat/gochat/internal/repository"
@@ -288,6 +290,48 @@ func (h *ContactHandler) Delete(c *gin.Context) {
 	c.Status(http.StatusOK)
 }
 
+func (h *ContactHandler) InitiateCall(c *gin.Context) {
+	accountID := parseAccountIDParam(c)
+	if accountID == 0 {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "invalid account id"})
+		return
+	}
+	contactID, err := parseUintParam(c, "contact_id")
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "invalid contact id"})
+		return
+	}
+	userID := getUserID(c)
+	if userID == 0 {
+		c.JSON(http.StatusUnauthorized, gin.H{"error": "user not authenticated"})
+		return
+	}
+
+	var body struct {
+		InboxID        uint  `json:"inbox_id" binding:"required"`
+		ConversationID *uint `json:"conversation_id"`
+	}
+	if bindErr := c.ShouldBindJSON(&body); bindErr != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": bindErr.Error()})
+		return
+	}
+
+	result, svcErr := h.svc.InitiateCall(c.Request.Context(), accountID, contactID, service.InitiateContactCallRequest{
+		InboxID:        body.InboxID,
+		ConversationID: body.ConversationID,
+		UserID:         userID,
+	})
+	if svcErr != nil {
+		if errors.Is(svcErr, gorm.ErrRecordNotFound) {
+			c.JSON(http.StatusNotFound, gin.H{"error": "resource not found"})
+			return
+		}
+		c.JSON(http.StatusUnprocessableEntity, gin.H{"error": svcErr.Error()})
+		return
+	}
+	c.JSON(http.StatusOK, result)
+}
+
 func (h *ContactHandler) DeleteAvatar(c *gin.Context) {
 	accountID := parseAccountIDParam(c)
 	if accountID == 0 {