refactor(plugins): restructure admin and message_gateway into standard layered sub-packages

backend/plugins/domain/message_gateway/handler/push_channel.go

@@ -0,0 +1,96 @@
+// Copyright 2026 Arctel.net
+// SPDX-License-Identifier: Apache-2.0
+
+package handler
+
+import (
+	"Wavelet/pkg/response"
+	"Wavelet/plugins/domain/message_gateway/errs"
+	"Wavelet/plugins/domain/message_gateway/model"
+	"Wavelet/plugins/domain/message_gateway/service"
+	"errors"
+	"net/http"
+	"strconv"
+
+	"github.com/gin-gonic/gin"
+)
+
+// ListPushChannelDefinitions returns channel definitions.
+func ListPushChannelDefinitions(c *gin.Context) {
+	c.JSON(http.StatusOK, response.OK(model.ListPushDefinitions()))
+}
+
+// ListPushChannels lists configured push channels.
+func ListPushChannels(c *gin.Context) {
+	channels, err := service.ListPushChannels(c.Request.Context())
+	if err != nil {
+		response.AbortInternal(c, err.Error())
+		return
+	}
+	c.JSON(http.StatusOK, response.OK(channels))
+}
+
+// parsePushChannelID reads the path identifier of a push channel.
+func parsePushChannelID(c *gin.Context) (uint64, bool) {
+	id, err := strconv.ParseUint(c.Param("id"), 10, 64)
+	if err != nil {
+		response.AbortBadRequest(c, errs.ErrInvalidChannelID)
+		return 0, false
+	}
+	return id, true
+}
+
+// handlePushChannelNotFoundError maps a missing channel row to 404, others to fallback.
+func handlePushChannelNotFoundError(c *gin.Context, err error, fallback func(c *gin.Context, msg string)) {
+	if errors.Is(err, errs.ErrRecordNotFound) {
+		response.AbortNotFound(c, errs.ErrChannelNotFound)
+		return
+	}
+	fallback(c, err.Error())
+}
+
+// CreatePushChannel creates a push channel.
+func CreatePushChannel(c *gin.Context) {
+	handleJSONRequest(c, service.CreatePushChannel)
+}
+
+// UpdatePushChannel updates a push channel.
+func UpdatePushChannel(c *gin.Context) {
+	handleEntityUpdate(c, parsePushChannelID, service.UpdatePushChannel, func(c *gin.Context, err error) {
+		handlePushChannelNotFoundError(c, err, response.AbortInternal)
+	})
+}
+
+// DeletePushChannel deletes a push channel.
+func DeletePushChannel(c *gin.Context) {
+	id, ok := parsePushChannelID(c)
+	if !ok {
+		return
+	}
+
+	if err := service.DeletePushChannel(c.Request.Context(), id); err != nil {
+		handlePushChannelNotFoundError(c, err, response.AbortInternal)
+		return
+	}
+	c.JSON(http.StatusOK, response.OKNil())
+}
+
+// TestPushChannel tests connectivity of a push channel.
+func TestPushChannel(c *gin.Context) {
+	var req model.TestPushChannelRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		response.AbortBadRequest(c, err.Error())
+		return
+	}
+
+	payload, err := service.PreparePushChannelTest(c.Request.Context(), req)
+	if err != nil {
+		response.AbortBadRequest(c, err.Error())
+		return
+	}
+	if err := service.EnqueuePushTask(c.Request.Context(), payload); err != nil {
+		response.AbortInternal(c, err.Error())
+		return
+	}
+	c.JSON(http.StatusOK, response.OKNil())
+}