Version: 0.9.78.dev.260506
This commit is contained in:
Losita
434
backend/gateway/api/forumapi/handler.go
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434
backend/gateway/api/forumapi/handler.go
Normal file
@@ -0,0 +1,434 @@
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package forumapi
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import (
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"context"
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"errors"
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"io"
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"net/http"
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"strconv"
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"strings"
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"time"
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"github.com/LoveLosita/smartflow/backend/gateway/shared/respond"
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contracts "github.com/LoveLosita/smartflow/backend/shared/contracts/taskclassforum"
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"github.com/gin-gonic/gin"
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)
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const (
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requestTimeout = 2 * time.Second
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forumLikeRewardAmount = int64(1)
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forumImportRewardAmount = int64(5)
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rewardHintStatusActive = "rule_active"
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)
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type ForumClient interface {
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ListPosts(ctx context.Context, actorUserID uint64, page int, pageSize int, sort string, keyword string, tag string) ([]contracts.ForumPostBrief, contracts.PageResult, error)
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ListTags(ctx context.Context, actorUserID uint64, limit int) ([]contracts.ForumTagItem, error)
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CreatePost(ctx context.Context, req contracts.CreateForumPostRequest) (*contracts.ForumPostBrief, error)
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GetPost(ctx context.Context, actorUserID uint64, postID uint64) (*contracts.ForumPostDetail, error)
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LikePost(ctx context.Context, actorUserID uint64, postID uint64) (contracts.ForumPostCounters, contracts.ForumPostViewerState, error)
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UnlikePost(ctx context.Context, actorUserID uint64, postID uint64) (contracts.ForumPostCounters, contracts.ForumPostViewerState, error)
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ListComments(ctx context.Context, actorUserID uint64, postID uint64, page int, pageSize int, sort string) ([]contracts.ForumCommentNode, contracts.PageResult, error)
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CreateComment(ctx context.Context, req contracts.CreateForumCommentRequest) (*contracts.ForumCommentNode, error)
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DeleteComment(ctx context.Context, actorUserID uint64, commentID uint64) (*contracts.DeleteForumCommentResult, error)
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ImportPost(ctx context.Context, req contracts.ImportForumPostRequest) (*contracts.ImportForumPostResult, error)
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}
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type Handler struct {
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client ForumClient
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}
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func NewHandler(client ForumClient) *Handler {
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return &Handler{client: client}
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}
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type pageEnvelope[T any] struct {
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Items []T `json:"items"`
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Page int `json:"page"`
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PageSize int `json:"page_size"`
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Total int `json:"total"`
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HasMore bool `json:"has_more"`
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}
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type interactionEnvelope struct {
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PostID uint64 `json:"post_id"`
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Liked bool `json:"liked"`
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LikeCount int64 `json:"like_count"`
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RewardHint *rewardHint `json:"reward_hint,omitempty"`
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}
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type rewardHint struct {
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Receiver string `json:"receiver"`
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Status string `json:"status"`
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Amount int64 `json:"amount"`
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}
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type nextAction struct {
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Type string `json:"type"`
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TaskClassID uint64 `json:"task_class_id"`
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}
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type importEnvelope struct {
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ImportID uint64 `json:"import_id"`
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PostID uint64 `json:"post_id"`
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NewTaskClassID uint64 `json:"new_task_class_id"`
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TaskClassTitle string `json:"task_class_title"`
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ImportCount int64 `json:"import_count"`
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RewardHint rewardHint `json:"reward_hint"`
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NextAction nextAction `json:"next_action"`
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CreatedAt string `json:"created_at"`
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}
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type deleteCommentEnvelope struct {
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CommentID uint64 `json:"comment_id"`
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Status string `json:"status"`
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Content string `json:"content"`
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DeletedAt *string `json:"deleted_at"`
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}
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type createPostBody struct {
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TaskClassID uint64 `json:"task_class_id"`
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Title string `json:"title"`
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Summary string `json:"summary"`
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Tags []string `json:"tags"`
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}
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type createCommentBody struct {
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Content string `json:"content"`
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ParentCommentID *uint64 `json:"parent_comment_id"`
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}
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type importPostBody struct {
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TargetTitle string `json:"target_title"`
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}
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func (h *Handler) ListPosts(c *gin.Context) {
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client, ok := h.ready(c)
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if !ok {
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return
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}
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ctx, cancel := context.WithTimeout(c.Request.Context(), requestTimeout)
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defer cancel()
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pageValue, ok := intQuery(c, "page")
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if !ok {
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return
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}
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pageSize, ok := intQuery(c, "page_size")
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if !ok {
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return
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}
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items, page, err := client.ListPosts(
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ctx,
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currentUserID(c),
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pageValue,
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pageSize,
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c.Query("sort"),
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c.Query("keyword"),
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c.Query("tag"),
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)
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if err != nil {
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respond.DealWithError(c, err)
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return
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}
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c.JSON(http.StatusOK, respond.RespWithData(respond.Ok, newPageEnvelope(items, page)))
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}
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func (h *Handler) ListTags(c *gin.Context) {
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client, ok := h.ready(c)
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if !ok {
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return
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}
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ctx, cancel := context.WithTimeout(c.Request.Context(), requestTimeout)
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defer cancel()
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limit, ok := intQuery(c, "limit")
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if !ok {
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return
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}
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items, err := client.ListTags(ctx, currentUserID(c), limit)
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if err != nil {
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respond.DealWithError(c, err)
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return
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}
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c.JSON(http.StatusOK, respond.RespWithData(respond.Ok, gin.H{"items": items}))
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}
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func (h *Handler) CreatePost(c *gin.Context) {
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client, ok := h.ready(c)
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if !ok {
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return
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}
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var body createPostBody
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if err := c.ShouldBindJSON(&body); err != nil {
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c.JSON(http.StatusBadRequest, respond.WrongParamType)
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return
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}
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ctx, cancel := context.WithTimeout(c.Request.Context(), requestTimeout)
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defer cancel()
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post, err := client.CreatePost(ctx, contracts.CreateForumPostRequest{
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ActorUserID: currentUserID(c),
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TaskClassID: body.TaskClassID,
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Title: body.Title,
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Summary: body.Summary,
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Tags: append([]string(nil), body.Tags...),
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IdempotencyKey: strings.TrimSpace(c.GetHeader("X-Idempotency-Key")),
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})
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if err != nil {
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respond.DealWithError(c, err)
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return
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}
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c.JSON(http.StatusOK, respond.RespWithData(respond.Ok, post))
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}
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func (h *Handler) GetPost(c *gin.Context) {
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client, ok := h.ready(c)
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if !ok {
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return
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}
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postID, ok := uint64Param(c, "post_id")
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if !ok {
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return
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}
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ctx, cancel := context.WithTimeout(c.Request.Context(), requestTimeout)
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defer cancel()
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detail, err := client.GetPost(ctx, currentUserID(c), postID)
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if err != nil {
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respond.DealWithError(c, err)
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return
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}
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c.JSON(http.StatusOK, respond.RespWithData(respond.Ok, detail))
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}
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func (h *Handler) LikePost(c *gin.Context) {
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client, ok := h.ready(c)
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if !ok {
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return
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}
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postID, ok := uint64Param(c, "post_id")
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if !ok {
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return
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}
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ctx, cancel := context.WithTimeout(c.Request.Context(), requestTimeout)
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defer cancel()
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counters, state, err := client.LikePost(ctx, currentUserID(c), postID)
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if err != nil {
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respond.DealWithError(c, err)
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return
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}
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c.JSON(http.StatusOK, respond.RespWithData(respond.Ok, interactionEnvelope{
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PostID: postID,
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Liked: state.Liked,
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LikeCount: counters.LikeCount,
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RewardHint: &rewardHint{
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Receiver: "author",
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Status: rewardHintStatusActive,
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Amount: forumLikeRewardAmount,
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},
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}))
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}
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func (h *Handler) UnlikePost(c *gin.Context) {
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client, ok := h.ready(c)
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if !ok {
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return
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}
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postID, ok := uint64Param(c, "post_id")
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if !ok {
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return
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}
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ctx, cancel := context.WithTimeout(c.Request.Context(), requestTimeout)
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defer cancel()
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counters, state, err := client.UnlikePost(ctx, currentUserID(c), postID)
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if err != nil {
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respond.DealWithError(c, err)
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return
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}
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c.JSON(http.StatusOK, respond.RespWithData(respond.Ok, interactionEnvelope{
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PostID: postID,
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Liked: state.Liked,
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LikeCount: counters.LikeCount,
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}))
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}
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func (h *Handler) ListComments(c *gin.Context) {
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client, ok := h.ready(c)
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if !ok {
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return
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}
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postID, ok := uint64Param(c, "post_id")
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if !ok {
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return
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}
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ctx, cancel := context.WithTimeout(c.Request.Context(), requestTimeout)
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defer cancel()
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pageValue, ok := intQuery(c, "page")
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if !ok {
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return
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}
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pageSize, ok := intQuery(c, "page_size")
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if !ok {
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return
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}
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items, page, err := client.ListComments(ctx, currentUserID(c), postID, pageValue, pageSize, c.Query("sort"))
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if err != nil {
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respond.DealWithError(c, err)
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return
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}
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c.JSON(http.StatusOK, respond.RespWithData(respond.Ok, newPageEnvelope(items, page)))
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}
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func (h *Handler) CreateComment(c *gin.Context) {
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client, ok := h.ready(c)
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if !ok {
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return
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}
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postID, ok := uint64Param(c, "post_id")
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if !ok {
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return
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}
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var body createCommentBody
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if err := c.ShouldBindJSON(&body); err != nil {
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c.JSON(http.StatusBadRequest, respond.WrongParamType)
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return
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}
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ctx, cancel := context.WithTimeout(c.Request.Context(), requestTimeout)
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defer cancel()
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comment, err := client.CreateComment(ctx, contracts.CreateForumCommentRequest{
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ActorUserID: currentUserID(c),
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PostID: postID,
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Content: body.Content,
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ParentCommentID: body.ParentCommentID,
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IdempotencyKey: strings.TrimSpace(c.GetHeader("X-Idempotency-Key")),
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})
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if err != nil {
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respond.DealWithError(c, err)
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return
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}
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c.JSON(http.StatusOK, respond.RespWithData(respond.Ok, comment))
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}
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func (h *Handler) DeleteComment(c *gin.Context) {
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client, ok := h.ready(c)
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if !ok {
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return
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}
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commentID, ok := uint64Param(c, "comment_id")
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if !ok {
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return
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}
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ctx, cancel := context.WithTimeout(c.Request.Context(), requestTimeout)
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defer cancel()
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result, err := client.DeleteComment(ctx, currentUserID(c), commentID)
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if err != nil {
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respond.DealWithError(c, err)
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return
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}
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c.JSON(http.StatusOK, respond.RespWithData(respond.Ok, deleteCommentEnvelope{
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CommentID: result.CommentID,
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Status: result.Status,
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Content: result.Content,
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DeletedAt: result.DeletedAt,
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}))
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}
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func (h *Handler) ImportPost(c *gin.Context) {
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client, ok := h.ready(c)
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if !ok {
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return
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}
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postID, ok := uint64Param(c, "post_id")
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if !ok {
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return
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}
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var body importPostBody
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if err := c.ShouldBindJSON(&body); err != nil && !errors.Is(err, io.EOF) {
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c.JSON(http.StatusBadRequest, respond.WrongParamType)
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return
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}
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ctx, cancel := context.WithTimeout(c.Request.Context(), requestTimeout)
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defer cancel()
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result, err := client.ImportPost(ctx, contracts.ImportForumPostRequest{
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ActorUserID: currentUserID(c),
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PostID: postID,
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TargetTitle: body.TargetTitle,
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IdempotencyKey: strings.TrimSpace(c.GetHeader("X-Idempotency-Key")),
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})
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if err != nil {
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respond.DealWithError(c, err)
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return
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}
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c.JSON(http.StatusOK, respond.RespWithData(respond.Ok, importEnvelope{
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ImportID: result.ImportID,
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PostID: result.PostID,
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NewTaskClassID: result.NewTaskClassID,
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TaskClassTitle: result.TaskClassTitle,
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ImportCount: result.ImportCount,
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RewardHint: rewardHint{
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Receiver: "author",
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Status: rewardHintStatusActive,
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Amount: forumImportRewardAmount,
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},
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NextAction: nextAction{
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Type: "open_task_class",
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TaskClassID: result.NewTaskClassID,
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},
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CreatedAt: result.CreatedAt,
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}))
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}
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func (h *Handler) ready(c *gin.Context) (ForumClient, bool) {
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if h == nil || h.client == nil {
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c.JSON(http.StatusInternalServerError, respond.InternalError(errors.New("计划广场 gateway client 未初始化")))
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return nil, false
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}
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return h.client, true
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}
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func currentUserID(c *gin.Context) uint64 {
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userID := c.GetInt("user_id")
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if userID <= 0 {
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return 0
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}
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return uint64(userID)
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}
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func newPageEnvelope[T any](items []T, page contracts.PageResult) pageEnvelope[T] {
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return pageEnvelope[T]{
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Items: items,
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Page: page.Page,
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PageSize: page.PageSize,
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Total: page.Total,
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HasMore: page.HasMore,
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}
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}
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func intQuery(c *gin.Context, key string) (int, bool) {
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raw := strings.TrimSpace(c.Query(key))
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if raw == "" {
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return 0, true
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}
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value, err := strconv.Atoi(raw)
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if err != nil {
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c.JSON(http.StatusBadRequest, respond.WrongParamType)
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return 0, false
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}
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return value, true
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}
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func uint64Param(c *gin.Context, key string) (uint64, bool) {
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value, err := strconv.ParseUint(strings.TrimSpace(c.Param(key)), 10, 64)
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if err != nil || value == 0 {
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c.JSON(http.StatusBadRequest, respond.WrongParamType)
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return 0, false
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}
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return value, true
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}
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Reference in New Issue
Block a user