add list posts

generate/database/mongodb/20240829054501_post.up.text

@@ -0,0 +1,5 @@
+use digimon_tweeting;
+db.post.createIndex({ "uid": 1, "create_time": 1 });
+db.post.createIndex({ "is_ad": 1, "create_time": 1 });
+db.post.createIndex({ "create_time": 1 });
+

generate/database/mongodb/20240829055501_likes.up.text

@@ -0,0 +1,5 @@
+db.post_likes.createIndex(
+    { "target_id": 1, "uid": 1, "type": 1 },
+    { unique: true }
+);
+db.post_likes.createIndex({ "create_time": 1 });

generate/protobuf/tweeting.proto

@@ -81,14 +81,30 @@ message ListPostsResp {
 // 讚/不讚請求
 message LikeReq {
   string target_id = 1;  // 目標ID（可以是貼文ID或評論ID）
-  int64 user_id = 2;     // 點讚的用戶ID
+  string uid = 2;     // 點讚的用戶ID
   int64 like_type = 3;   // 讚或爛的類型
 }
 
+message GetLikeStatusReq{
+  string uid = 1;     // 點讚的用戶ID
+  repeated string target_id = 2;  // 目標ID（可以是貼文ID或評論ID）
+  int64 like_type = 3;   // 讚或爛的類型
+}
+
+message GetLikeStatusItem{
+  string target_id = 1;  // 目標ID（可以是貼文ID或評論ID）
+  bool status = 2;       // 是否有按過
+}
+
+message GetLikeStatusResp{
+  repeated GetLikeStatusItem data = 1;  // 目標ID（可以是貼文ID或評論ID）
+}
+
+
 // 讚/不讚項目
 message LikeItem {
   string target_id = 1;  // 目標ID（可以是貼文ID或評論ID）
-  int64 user_id = 2;     // 點讚的用戶ID
+  string uid = 2;     // 點讚的用戶ID
   int64 like_type = 3;   // 讚或爛的類型
 }
 
@@ -96,8 +112,8 @@ message LikeItem {
 message LikeListReq {
   string target_id = 1;  // 目標ID（可以是貼文ID或評論ID）
   int64 like_type = 2;   // 讚或爛的類型
-  int32 page_index = 3;  // 當前頁碼
+  int64 page_index = 3;  // 當前頁碼
-  int32 page_size = 4;   // 每頁顯示數量
+  int64 page_size = 4;   // 每頁顯示數量
 }
 
 // 讚/不讚列表回應
@@ -172,7 +188,7 @@ service PostService {
   // Like 點讚/取消讚 貼文
   rpc Like(LikeReq) returns (OKResp);
   // GetLikeStatus 取得讚/不讚狀態
-  rpc GetLikeStatus(LikeReq) returns (OKResp);
+  rpc GetLikeStatus(GetLikeStatusReq) returns (GetLikeStatusResp);
   // LikeList 取得讚/不讚列表
   rpc LikeList(LikeListReq) returns (LikeListResp);
   // CountLike 取得讚/不讚數量

internal/domain/const.go

@@ -11,3 +11,14 @@ const (
 	AdTypeOnlyAd
 	AdTypeOnlyNotAd
 )
+
+type LikeType int8
+
+func (l LikeType) ToInt32() int8 {
+	return int8(l)
+}
+
+const (
+	LikeTypeLike LikeType = iota + 1 // 按揍
+	LikeTypeDisLike
+)

internal/logic/postservice/get_like_status_logic.go

@@ -23,6 +23,8 @@ func NewGetLikeStatusLogic(ctx context.Context, svcCtx *svc.ServiceContext) *Get
 	}
 }
 
+// 這個人按讚的文章列表（輸入UID 以及文章id，返回這個人有沒有對這些文章按讚）
+
 // GetLikeStatus 取得讚/不讚狀態
 func (l *GetLikeStatusLogic) GetLikeStatus(in *tweeting.LikeReq) (*tweeting.OKResp, error) {
 	// todo: add your logic here and delete this line

internal/logic/postservice/like_list_logic.go

@@ -1,6 +1,9 @@
 package postservicelogic
 
 import (
+	"app-cloudep-tweeting-service/internal/domain"
+	model "app-cloudep-tweeting-service/internal/model/mongo"
+	ers "code.30cm.net/digimon/library-go/errs"
 	"context"
 
 	"app-cloudep-tweeting-service/gen_result/pb/tweeting"
@@ -23,9 +26,60 @@ func NewLikeListLogic(ctx context.Context, svcCtx *svc.ServiceContext) *LikeList
 	}
 }
 
+// 換句話說就是對這個文章按讚的人的列表
+
+type likeListReq struct {
+	Target    string          `json:"target" validate:"required"`
+	LikeType  domain.LikeType `json:"like_type" validate:"required,oneof=1 2"`
+	PageSize  int64           `json:"page_size" validate:"required"`
+	PageIndex int64           `json:"page_index" validate:"required"`
+}
+
 // LikeList 取得讚/不讚列表
 func (l *LikeListLogic) LikeList(in *tweeting.LikeListReq) (*tweeting.LikeListResp, error) {
-	// todo: add your logic here and delete this line
+	// 驗證資料
+	if err := l.svcCtx.Validate.ValidateAll(&likeListReq{
+		Target:    in.TargetId,
+		LikeType:  domain.LikeType(in.GetLikeType()),
+		PageSize:  in.GetPageSize(),
+		PageIndex: in.GetPageIndex(),
+	}); err != nil {
+		return nil, ers.InvalidFormat(err.Error())
+	}
 
-	return &tweeting.LikeListResp{}, nil
+	result, total, err := l.svcCtx.PostLikeModel.FindLikeUsers(l.ctx, &model.QueryPostLikeReq{
+		Target:    in.GetTargetId(),
+		LikeType:  domain.LikeType(in.GetLikeType()),
+		PageSize:  in.GetPageSize(),
+		PageIndex: in.GetPageIndex(),
+	})
+	if err != nil {
+		e := domain.PostMongoErrorL(
+			logx.WithContext(l.ctx),
+			[]logx.LogField{
+				{Key: "req", Value: in},
+				{Key: "func", Value: "PostModel.LikeDislike"},
+				{Key: "err", Value: err},
+			},
+			"failed to like or dislike").Wrap(err)
+		return nil, e
+	}
+
+	var list = make([]*tweeting.LikeItem, 0, len(result))
+	for _, item := range result {
+		list = append(list, &tweeting.LikeItem{
+			LikeType: int64(item.Type),
+			TargetId: item.TargetID,
+			Uid:      item.UID,
+		})
+	}
+
+	return &tweeting.LikeListResp{
+		List: list,
+		Page: &tweeting.Pager{
+			Size:  in.GetPageSize(),
+			Index: in.GetPageIndex(),
+			Total: total,
+		},
+	}, nil
 }

internal/logic/postservice/like_logic.go

@@ -1,6 +1,9 @@
 package postservicelogic
 
 import (
+	"app-cloudep-tweeting-service/internal/domain"
+	model "app-cloudep-tweeting-service/internal/model/mongo"
+	ers "code.30cm.net/digimon/library-go/errs"
 	"context"
 
 	"app-cloudep-tweeting-service/gen_result/pb/tweeting"
@@ -23,9 +26,39 @@ func NewLikeLogic(ctx context.Context, svcCtx *svc.ServiceContext) *LikeLogic {
 	}
 }
 
+type likeReq struct {
+	Target   string          `json:"target" validate:"required"`
+	UID      string          `json:"uid" validate:"required"`
+	LikeType domain.LikeType `json:"like_type" validate:"required,oneof=1 2"`
+}
+
 // Like 點讚/取消讚 貼文
 func (l *LikeLogic) Like(in *tweeting.LikeReq) (*tweeting.OKResp, error) {
-	// todo: add your logic here and delete this line
+	// 驗證資料
+	if err := l.svcCtx.Validate.ValidateAll(&likeReq{
+		Target:   in.TargetId,
+		UID:      in.GetUid(),
+		LikeType: domain.LikeType(in.GetLikeType()),
+	}); err != nil {
+		return nil, ers.InvalidFormat(err.Error())
+	}
+
+	err := l.svcCtx.PostLikeModel.LikeDislike(l.ctx, &model.PostLikes{
+		TargetID: in.GetTargetId(),
+		UID:      in.GetUid(),
+		Type:     int8(in.GetLikeType()),
+	})
+	if err != nil {
+		e := domain.PostMongoErrorL(
+			logx.WithContext(l.ctx),
+			[]logx.LogField{
+				{Key: "req", Value: in},
+				{Key: "func", Value: "PostModel.LikeDislike"},
+				{Key: "err", Value: err},
+			},
+			"failed to like or dislike").Wrap(err)
+		return nil, e
+	}
 
 	return &tweeting.OKResp{}, nil
 }

internal/model/mongo/comment_likes_model_gen.go

@@ -12,9 +12,9 @@ import (
 )
 
 type comment_likesModel interface {
-	Insert(ctx context.Context, data *Comment_likes) error
+	Insert(ctx context.Context, data *CommentLikes) error
-	FindOne(ctx context.Context, id string) (*Comment_likes, error)
+	FindOne(ctx context.Context, id string) (*CommentLikes, error)
-	Update(ctx context.Context, data *Comment_likes) (*mongo.UpdateResult, error)
+	Update(ctx context.Context, data *CommentLikes) (*mongo.UpdateResult, error)
 	Delete(ctx context.Context, id string) (int64, error)
 }
 
@@ -26,7 +26,7 @@ func newDefaultComment_likesModel(conn *mon.Model) *defaultComment_likesModel {
 	return &defaultComment_likesModel{conn: conn}
 }
 
-func (m *defaultComment_likesModel) Insert(ctx context.Context, data *Comment_likes) error {
+func (m *defaultComment_likesModel) Insert(ctx context.Context, data *CommentLikes) error {
 	if data.ID.IsZero() {
 		data.ID = primitive.NewObjectID()
 		data.CreateAt = time.Now()
@@ -37,13 +37,13 @@ func (m *defaultComment_likesModel) Insert(ctx context.Context, data *Comment_li
 	return err
 }
 
-func (m *defaultComment_likesModel) FindOne(ctx context.Context, id string) (*Comment_likes, error) {
+func (m *defaultComment_likesModel) FindOne(ctx context.Context, id string) (*CommentLikes, error) {
 	oid, err := primitive.ObjectIDFromHex(id)
 	if err != nil {
 		return nil, ErrInvalidObjectId
 	}
 
-	var data Comment_likes
+	var data CommentLikes
 
 	err = m.conn.FindOne(ctx, &data, bson.M{"_id": oid})
 	switch err {
@@ -56,7 +56,7 @@ func (m *defaultComment_likesModel) FindOne(ctx context.Context, id string) (*Co
 	}
 }
 
-func (m *defaultComment_likesModel) Update(ctx context.Context, data *Comment_likes) (*mongo.UpdateResult, error) {
+func (m *defaultComment_likesModel) Update(ctx context.Context, data *CommentLikes) (*mongo.UpdateResult, error) {
 	data.UpdateAt = time.Now()
 
 	res, err := m.conn.UpdateOne(ctx, bson.M{"_id": data.ID}, bson.M{"$set": data})

internal/model/mongo/comment_likes_types.go

@@ -6,7 +6,7 @@ import (
 	"go.mongodb.org/mongo-driver/bson/primitive"
 )
 
-type Comment_likes struct {
+type CommentLikes struct {
 	ID primitive.ObjectID `bson:"_id,omitempty" json:"id,omitempty"`
 	// TODO: Fill your own fields
 	UpdateAt time.Time `bson:"updateAt,omitempty" json:"updateAt,omitempty"`

internal/model/mongo/post_likes_model.go

@@ -1,6 +1,16 @@
 package model
 
-import "github.com/zeromicro/go-zero/core/stores/mon"
+import (
+	"app-cloudep-tweeting-service/internal/domain"
+	"context"
+	"errors"
+	"github.com/zeromicro/go-zero/core/stores/mon"
+	"go.mongodb.org/mongo-driver/bson"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+	"go.mongodb.org/mongo-driver/mongo"
+	"go.mongodb.org/mongo-driver/mongo/options"
+	"time"
+)
 
 var _ Post_likesModel = (*customPost_likesModel)(nil)
 
@@ -9,6 +19,15 @@ type (
 	// and implement the added methods in customPost_likesModel.
 	Post_likesModel interface {
 		post_likesModel
+		LikeDislike(ctx context.Context, postLike *PostLikes) error
+		FindLikeUsers(ctx context.Context, param *QueryPostLikeReq) ([]*PostLikes, int64, error)
+	}
+
+	QueryPostLikeReq struct {
+		Target    string          `bson:"target"`
+		LikeType  domain.LikeType `bson:"like_type"`
+		PageIndex int64           `bson:"page_index"`
+		PageSize  int64           `bson:"page_size"`
 	}
 
 	customPost_likesModel struct {
@@ -23,3 +42,78 @@ func NewPost_likesModel(url, db, collection string) Post_likesModel {
 		defaultPost_likesModel: newDefaultPost_likesModel(conn),
 	}
 }
+
+func (m *defaultPost_likesModel) LikeDislike(ctx context.Context, postLike *PostLikes) error {
+	// 使用 target_id、uid、type 來查詢資料是否存在
+	filter := bson.M{
+		"target_id": postLike.TargetID,
+		"uid":       postLike.UID,
+		"type":      postLike.Type,
+	}
+
+	// 查詢資料是否存在
+	var existingPostLike PostLikes
+	err := m.conn.FindOne(ctx, &existingPostLike, filter)
+
+	if err == nil {
+		// 資料存在，進行刪除操作
+		_, err = m.conn.DeleteOne(ctx, filter)
+		if err != nil {
+			return err // 刪除失敗
+		}
+		return nil // 刪除成功
+	} else if errors.Is(mongo.ErrNoDocuments, err) {
+		// 資料不存在，進行插入操作
+		postLike.ID = primitive.NewObjectID() // 設置新的 ObjectID
+		postLike.CreateAt = time.Now().UTC().UnixNano()
+		_, err = m.conn.InsertOne(ctx, postLike)
+		if err != nil {
+			return err // 插入失敗
+		}
+		return nil // 插入成功
+	} else {
+		// 其他錯誤
+		return err
+	}
+}
+
+func (m *defaultPost_likesModel) FindLikeUsers(ctx context.Context, param *QueryPostLikeReq) ([]*PostLikes, int64, error) {
+	// 建立篩選條件
+	filter := bson.M{}
+
+	// 如果指定了 Target 條件，將其添加到篩選條件中
+	if param.Target != "" {
+		filter["target_id"] = param.Target
+	}
+
+	// 如果指定了 LikeType 條件，將其添加到篩選條件中
+	if param.LikeType != 0 {
+		filter["type"] = param.LikeType
+	}
+
+	// 計算符合條件的文檔總數
+	totalCount, err := m.conn.CountDocuments(ctx, filter)
+	if err != nil {
+		return nil, 0, err
+	}
+
+	// 設置分頁和排序選項
+	opts := options.Find()
+	opts.SetSort(bson.D{{"createAt", -1}}) // 按照創建時間倒序排序
+	if param.PageSize > 0 {
+		opts.SetLimit(param.PageSize)
+	}
+	if param.PageIndex > 0 && param.PageSize > 0 {
+		opts.SetSkip((param.PageIndex - 1) * param.PageSize)
+	}
+
+	// 查詢符合條件的文檔
+	var results []*PostLikes
+	err = m.conn.Find(ctx, &results, filter, opts)
+	if err != nil {
+		return nil, 0, err
+	}
+
+	// 返回結果集、總數和錯誤信息
+	return results, totalCount, nil
+}

internal/model/mongo/post_likes_model_gen.go

@@ -12,9 +12,9 @@ import (
 )
 
 type post_likesModel interface {
-	Insert(ctx context.Context, data *Post_likes) error
+	Insert(ctx context.Context, data *PostLikes) error
-	FindOne(ctx context.Context, id string) (*Post_likes, error)
+	FindOne(ctx context.Context, id string) (*PostLikes, error)
-	Update(ctx context.Context, data *Post_likes) (*mongo.UpdateResult, error)
+	Update(ctx context.Context, data *PostLikes) (*mongo.UpdateResult, error)
 	Delete(ctx context.Context, id string) (int64, error)
 }
 
@@ -26,24 +26,23 @@ func newDefaultPost_likesModel(conn *mon.Model) *defaultPost_likesModel {
 	return &defaultPost_likesModel{conn: conn}
 }
 
-func (m *defaultPost_likesModel) Insert(ctx context.Context, data *Post_likes) error {
+func (m *defaultPost_likesModel) Insert(ctx context.Context, data *PostLikes) error {
 	if data.ID.IsZero() {
 		data.ID = primitive.NewObjectID()
-		data.CreateAt = time.Now()
+		data.CreateAt = time.Now().UTC().UnixNano()
-		data.UpdateAt = time.Now()
 	}
 
 	_, err := m.conn.InsertOne(ctx, data)
 	return err
 }
 
-func (m *defaultPost_likesModel) FindOne(ctx context.Context, id string) (*Post_likes, error) {
+func (m *defaultPost_likesModel) FindOne(ctx context.Context, id string) (*PostLikes, error) {
 	oid, err := primitive.ObjectIDFromHex(id)
 	if err != nil {
 		return nil, ErrInvalidObjectId
 	}
 
-	var data Post_likes
+	var data PostLikes
 
 	err = m.conn.FindOne(ctx, &data, bson.M{"_id": oid})
 	switch err {
@@ -56,9 +55,7 @@ func (m *defaultPost_likesModel) FindOne(ctx context.Context, id string) (*Post_
 	}
 }
 
-func (m *defaultPost_likesModel) Update(ctx context.Context, data *Post_likes) (*mongo.UpdateResult, error) {
+func (m *defaultPost_likesModel) Update(ctx context.Context, data *PostLikes) (*mongo.UpdateResult, error) {
-	data.UpdateAt = time.Now()
-
 	res, err := m.conn.UpdateOne(ctx, bson.M{"_id": data.ID}, bson.M{"$set": data})
 	return res, err
 }

internal/model/mongo/post_likes_types.go

@@ -1,14 +1,17 @@
 package model
 
 import (
-	"time"
-
 	"go.mongodb.org/mongo-driver/bson/primitive"
 )
 
-type Post_likes struct {
+type PostLikes struct {
 	ID       primitive.ObjectID `bson:"_id,omitempty" json:"id,omitempty"`
-	// TODO: Fill your own fields
+	TargetID string             `bson:"target_id" json:"target_id"`
-	UpdateAt time.Time `bson:"updateAt,omitempty" json:"updateAt,omitempty"`
+	UID      string             `bson:"uid" json:"uid"`
-	CreateAt time.Time `bson:"createAt,omitempty" json:"createAt,omitempty"`
+	Type     int8               `bson:"type" json:"type"`
+	CreateAt int64              `bson:"createAt,omitempty" json:"createAt,omitempty"`
+}
+
+func (p *PostLikes) CollectionName() string {
+	return "post_like"
 }

internal/model/mongo/post_model.go

@@ -161,12 +161,13 @@ func (m *defaultPostModel) Find(ctx context.Context, param *QueryPostModelReq) (
 	}
 
 	// 分頁處理
-	options := options.Find()
+	opts := options.Find()
+	opts.SetSort(bson.D{{"create_time", -1}})
 	if param.PageSize > 0 {
-		options.SetLimit(param.PageSize)
+		opts.SetLimit(param.PageSize)
 	}
 	if param.PageIndex > 0 {
-		options.SetSkip((param.PageIndex - 1) * param.PageSize)
+		opts.SetSkip((param.PageIndex - 1) * param.PageSize)
 	}
 
 	// 計算總數（不考慮分頁）
@@ -177,7 +178,7 @@ func (m *defaultPostModel) Find(ctx context.Context, param *QueryPostModelReq) (
 
 	result := make([]*Post, 0, param.PageSize)
 	// 執行查詢
-	err = m.conn.Find(ctx, &result, filter, options)
+	err = m.conn.Find(ctx, &result, filter, opts)
 	if err != nil {
 		return nil, 0, err
 	}

internal/model/mongo/post_types.go

@@ -27,3 +27,7 @@ type Media struct {
 	Type  string // media type jpeg, m3u8 之類的
 	Links string // 連結的網址
 }
+
+func (p *Post) CollectionName() string {
+	return "post"
+}

internal/svc/service_context.go

@@ -12,15 +12,19 @@ type ServiceContext struct {
 	Validate vi.Validate
 
 	PostModel     model.PostModel
+	PostLikeModel model.Post_likesModel
 }
 
 func NewServiceContext(c config.Config) *ServiceContext {
 	baseMongo := MustMongoConnectUrl(c)
+	postCollection := model.Post{}
+	postLikeCollection := model.PostLikes{}
 
 	return &ServiceContext{
 		Config:        c,
 		Validate:      vi.MustValidator(),
-		PostModel: model.NewPostModel(baseMongo, c.Mongo.Database, "post", c.Cache),
+		PostModel:     model.NewPostModel(baseMongo, c.Mongo.Database, postCollection.CollectionName(), c.Cache),
+		PostLikeModel: model.NewPost_likesModel(baseMongo, c.Mongo.Database, postLikeCollection.CollectionName()),
 	}
 }