chore: import upstream snapshot with attribution

internal/controller/follow_controller.go

@@ -0,0 +1,90 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package controller
+
+import (
+	"github.com/apache/answer/internal/base/handler"
+	"github.com/apache/answer/internal/base/middleware"
+	"github.com/apache/answer/internal/schema"
+	"github.com/apache/answer/internal/service/follow"
+	"github.com/apache/answer/pkg/uid"
+	"github.com/gin-gonic/gin"
+	"github.com/jinzhu/copier"
+)
+
+// FollowController activity controller
+type FollowController struct {
+	followService *follow.FollowService
+}
+
+// NewFollowController new controller
+func NewFollowController(followService *follow.FollowService) *FollowController {
+	return &FollowController{followService: followService}
+}
+
+// Follow godoc
+// @Summary follow object or cancel follow operation
+// @Description follow object or cancel follow operation
+// @Tags Activity
+// @Accept json
+// @Produce json
+// @Security ApiKeyAuth
+// @Param data body schema.FollowReq true "follow"
+// @Success 200 {object} handler.RespBody{data=schema.FollowResp}
+// @Router /answer/api/v1/follow [post]
+func (fc *FollowController) Follow(ctx *gin.Context) {
+	req := &schema.FollowReq{}
+	if handler.BindAndCheck(ctx, req) {
+		return
+	}
+	req.ObjectID = uid.DeShortID(req.ObjectID)
+	dto := &schema.FollowDTO{}
+	_ = copier.Copy(dto, req)
+	dto.UserID = middleware.GetLoginUserIDFromContext(ctx)
+
+	resp, err := fc.followService.Follow(ctx, dto)
+	if err != nil {
+		handler.HandleResponse(ctx, err, schema.ErrTypeToast)
+	} else {
+		handler.HandleResponse(ctx, err, resp)
+	}
+}
+
+// UpdateFollowTags update user follow tags
+// @Summary update user follow tags
+// @Description update user follow tags
+// @Tags Activity
+// @Accept json
+// @Produce json
+// @Security ApiKeyAuth
+// @Param data body schema.UpdateFollowTagsReq true "follow"
+// @Success 200 {object} handler.RespBody{}
+// @Router /answer/api/v1/follow/tags [put]
+func (fc *FollowController) UpdateFollowTags(ctx *gin.Context) {
+	req := &schema.UpdateFollowTagsReq{}
+	if handler.BindAndCheck(ctx, req) {
+		return
+	}
+
+	req.UserID = middleware.GetLoginUserIDFromContext(ctx)
+
+	err := fc.followService.UpdateFollowTags(ctx, req)
+	handler.HandleResponse(ctx, err, nil)
+}