76 lines
3.0 KiB
Go
76 lines
3.0 KiB
Go
package logic
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import (
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"context"
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friendentity "spark-server/internal/module/friend/entity"
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"spark-server/internal/module/square/entity"
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userentity "spark-server/internal/module/user/entity"
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)
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// Repository persists square data. Model implements it.
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type Repository interface {
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CreatePost(ctx context.Context, post *entity.Post, audience []int64) error
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GetPost(ctx context.Context, id int64) (*entity.Post, error)
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ListPublicFeed(ctx context.Context, cursor int64, limit int) ([]*entity.Post, error)
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ListByAuthor(ctx context.Context, authorID, cursor int64, limit int) ([]*entity.Post, error)
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SoftDeletePost(ctx context.Context, userID, postID int64) (*entity.Post, error)
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ListAudience(ctx context.Context, postIDs []int64) (map[int64][]int64, error)
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ListLikes(ctx context.Context, postIDs []int64) (map[int64][]*entity.Like, error)
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AddLike(ctx context.Context, like *entity.Like) (created bool, err error)
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RemoveLike(ctx context.Context, postID, userID int64) error
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ListComments(ctx context.Context, postIDs []int64) (map[int64][]*entity.Comment, error)
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GetComment(ctx context.Context, id int64) (*entity.Comment, error)
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AddComment(ctx context.Context, c *entity.Comment) error
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SoftDeleteComment(ctx context.Context, id int64) error
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CreateNotices(ctx context.Context, rows []*entity.Notice) error
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ListNotices(ctx context.Context, userID, cursor int64, limit int) ([]*entity.Notice, error)
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MarkNoticesRead(ctx context.Context, userID, cursor int64) error
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GetNoticeState(ctx context.Context, userID int64) (*entity.NoticeState, error)
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LatestNoticeID(ctx context.Context, userID int64) (int64, error)
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AdvanceNoticeRead(ctx context.Context, userID, noticeID int64) error
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ListAllByAuthor(ctx context.Context, authorID int64) ([]*entity.Post, error)
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PurgeUser(ctx context.Context, userID int64) error
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}
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// Friends is the friend graph used for audience and block checks.
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type Friends interface {
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AreFriends(ctx context.Context, a, b int64) (bool, error)
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ListBlockedPeerIDs(ctx context.Context, userID int64) ([]int64, error)
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Relation(ctx context.Context, userID, peerID int64) (*friendentity.Relation, error)
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BlockedEither(ctx context.Context, a, b int64) (bool, error)
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}
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// Users loads profile cards.
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type Users interface {
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Get(ctx context.Context, id int64) (*userentity.User, error)
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}
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// Objects deletes square media. Nil skips GC.
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type Objects interface {
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Delete(ctx context.Context, key string) error
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}
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// IDGen issues Snowflake ids.
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type IDGen interface {
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NextID() (int64, error)
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}
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// Service is the square use-case layer.
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type Service struct {
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repo Repository
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friends Friends
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users Users
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objects Objects
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ids IDGen
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burst *burst
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}
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func NewService(repo Repository, friends Friends, users Users, objects Objects, ids IDGen) *Service {
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return &Service{repo: repo, friends: friends, users: users, objects: objects, ids: ids, burst: newBurst()}
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}
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func (s *Service) ready() bool {
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return s != nil && s.repo != nil && s.friends != nil && s.users != nil && s.ids != nil
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}
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