zetaloop
78 lines
1.7 KiB
Go
78 lines
1.7 KiB
Go
package logic
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import (
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"context"
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"errors"
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"juwan-backend/app/community/rpc/internal/models/posts"
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"juwan-backend/app/community/rpc/internal/svc"
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"juwan-backend/app/community/rpc/pb"
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"entgo.io/ent/dialect/sql"
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"github.com/zeromicro/go-zero/core/logx"
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)
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type SearchPostsLogic struct {
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ctx context.Context
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svcCtx *svc.ServiceContext
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logx.Logger
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}
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func NewSearchPostsLogic(ctx context.Context, svcCtx *svc.ServiceContext) *SearchPostsLogic {
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return &SearchPostsLogic{
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ctx: ctx,
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svcCtx: svcCtx,
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Logger: logx.WithContext(ctx),
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}
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}
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func (l *SearchPostsLogic) SearchPosts(in *pb.SearchPostsReq) (*pb.SearchPostsResp, error) {
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limit := in.GetLimit()
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if limit <= 0 {
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limit = 20
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}
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if limit > 100 {
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return nil, errors.New("limit too large")
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}
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offset := in.GetOffset()
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if offset < 0 {
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offset = 0
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}
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query := l.svcCtx.CommunityModelRO.Posts.Query().
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Where(posts.DeletedAtIsNil())
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if in.GetId() > 0 {
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query = query.Where(posts.IDEQ(in.GetId()))
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}
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if in.AuthorId != nil {
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query = query.Where(posts.AuthorIDEQ(in.GetAuthorId()))
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}
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if in.AuthorRole != nil {
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query = query.Where(posts.AuthorRole(in.GetAuthorRole()))
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}
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if in.Title != nil {
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query = query.Where(posts.TitleContainsFold(in.GetTitle()))
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}
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if in.Content != nil {
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query = query.Where(posts.ContentContainsFold(in.GetContent()))
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}
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list, err := query.
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Order(posts.ByPinned(sql.OrderDesc()), posts.ByCreatedAt(sql.OrderDesc()), posts.ByID(sql.OrderDesc())).
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Offset(int(offset)).
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Limit(int(limit)).
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All(l.ctx)
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if err != nil {
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logx.Errorf("searchPosts err: %v", err)
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return nil, errors.New("search posts failed")
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}
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out := make([]*pb.Posts, len(list))
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for i, p := range list {
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out[i] = entPostToPb(p)
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}
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return &pb.SearchPostsResp{Posts: out}, nil
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}
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