feat: community RPC 从内存存储迁移到 ent 数据库

app/community/rpc/internal/logic/searchPostsLogic.go

@@ -3,11 +3,12 @@ package logic
 import (
 	"context"
 	"errors"
-	"strings"
 
+	"juwan-backend/app/community/rpc/internal/models/posts"
 	"juwan-backend/app/community/rpc/internal/svc"
 	"juwan-backend/app/community/rpc/pb"
 
+	"entgo.io/ent/dialect/sql"
 	"github.com/zeromicro/go-zero/core/logx"
 )
 
@@ -38,63 +39,39 @@ func (l *SearchPostsLogic) SearchPosts(in *pb.SearchPostsReq) (*pb.SearchPostsRe
 		offset = 0
 	}
 
-	store := l.svcCtx.Store
-	store.Mu.RLock()
-	defer store.Mu.RUnlock()
+	query := l.svcCtx.CommunityModelRO.Posts.Query().
+		Where(posts.DeletedAtIsNil())
 
-	filtered := make([]*pb.Posts, 0, len(store.Posts))
-	for _, p := range store.Posts {
-		if p.GetDeletedAt() > 0 {
-			continue
-		}
-		if in.GetId() > 0 && p.GetId() != in.GetId() {
-			continue
-		}
-		if in.AuthorId != nil && p.GetAuthorId() != in.GetAuthorId() {
-			continue
-		}
-		if in.AuthorRole != nil && p.GetAuthorRole() != in.GetAuthorRole() {
-			continue
-		}
-		if in.Title != nil && !strings.Contains(strings.ToLower(p.GetTitle()), strings.ToLower(in.GetTitle())) {
-			continue
-		}
-		if in.Content != nil && !strings.Contains(strings.ToLower(p.GetContent()), strings.ToLower(in.GetContent())) {
-			continue
-		}
-		if len(in.GetTags()) > 0 {
-			match := false
-			for _, t := range in.GetTags() {
-				for _, pt := range p.GetTags() {
-					if t == pt {
-						match = true
-						break
-					}
-				}
-				if match {
-					break
-				}
-			}
-			if !match {
-				continue
-			}
-		}
-
-		cp := *p
-		cp.Images = append([]string(nil), p.Images...)
-		cp.Tags = append([]string(nil), p.Tags...)
-		filtered = append(filtered, &cp)
+	if in.GetId() > 0 {
+		query = query.Where(posts.IDEQ(in.GetId()))
+	}
+	if in.AuthorId != nil {
+		query = query.Where(posts.AuthorIDEQ(in.GetAuthorId()))
+	}
+	if in.AuthorRole != nil {
+		query = query.Where(posts.AuthorRole(in.GetAuthorRole()))
+	}
+	if in.Title != nil {
+		query = query.Where(posts.TitleContainsFold(in.GetTitle()))
+	}
+	if in.Content != nil {
+		query = query.Where(posts.ContentContainsFold(in.GetContent()))
 	}
 
-	sortPostsDesc(filtered)
-
-	if offset >= int64(len(filtered)) {
-		return &pb.SearchPostsResp{Posts: []*pb.Posts{}}, nil
-	}
-	end := offset + limit
-	if end > int64(len(filtered)) {
-		end = int64(len(filtered))
+	list, err := query.
+		Order(posts.ByPinned(sql.OrderDesc()), posts.ByCreatedAt(sql.OrderDesc()), posts.ByID(sql.OrderDesc())).
+		Offset(int(offset)).
+		Limit(int(limit)).
+		All(l.ctx)
+	if err != nil {
+		logx.Errorf("searchPosts err: %v", err)
+		return nil, errors.New("search posts failed")
 	}
 
-	return &pb.SearchPostsResp{Posts: filtered[offset:end]}, nil
+	out := make([]*pb.Posts, len(list))
+	for i, p := range list {
+		out[i] = entPostToPb(p)
+	}
+
+	return &pb.SearchPostsResp{Posts: out}, nil
 }