feat: added GetUserFavoritePostsWithPagination

internal/user.go

@@ -3,6 +3,7 @@ package internal
 import (
 	"context"
 	"fmt"
+
 	"git.dragse.it/anthrove/otter-space-sdk/internal/utils"
 	"git.dragse.it/anthrove/otter-space-sdk/pkg/models"
 	"github.com/neo4j/neo4j-go-driver/v5/neo4j"
@@ -316,16 +317,22 @@ func GetAllAnthroveUserIDs(ctx context.Context, driver neo4j.DriverWithContext)
 
 }
 
-func GetUserFavoriteNodeWithPagination(ctx context.Context, driver neo4j.DriverWithContext, anthroveUserID models.AnthroveUserID, skip int, limit int) ([]models.AnthrovePost, error) {
+func GetUserFavoriteNodeWithPagination(ctx context.Context, driver neo4j.DriverWithContext, anthroveUserID models.AnthroveUserID, skip int, limit int) (*models.FavoriteList, error) {
 	var err error
-	var anthrovePosts []models.AnthrovePost
+	var favoritePosts []models.FavoritePost
 
 	query := `
+		CALL { 
 		  MATCH (user:User{user_id: $anthrove_user_id})-[r:FAV]->(p:AnthrovePost) 
-		RETURN p as anthrovePost
+		  RETURN p.post_id AS post_id 
-		ORDER BY id(r) DESC
+		  ORDER BY id(p) ASC 
 		SKIP $skip
-		LIMIT $limit;
+		LIMIT $limit
+		} 
+		WITH collect(post_id) AS faves 
+		MATCH (a:AnthrovePost)<-[r:REFERENCE]-(s:Source) 
+		WHERE a.post_id in faves 
+		RETURN a AS anthrovePost, r AS postRelation, s AS Source
 	`
 	params := map[string]any{
 		"anthrove_user_id": anthroveUserID,
@@ -345,22 +352,52 @@ func GetUserFavoriteNodeWithPagination(ctx context.Context, driver neo4j.DriverW
 	for i := range result.Records {
 		record := result.Records[i]
 
-		post, _, err := neo4j.GetRecordValue[neo4j.Node](record, "anthrovePost")
+		anthrovePost, _, err := neo4j.GetRecordValue[neo4j.Node](record, "anthrovePost")
 		if err != nil {
 			return nil, err
 		}
 
-		anthrovePosts = append(anthrovePosts, models.AnthrovePost{
+		postRelation, _, err := neo4j.GetRecordValue[neo4j.Relationship](record, "postRelation")
-			PostID: models.AnthrovePostID(post.Props["post_id"].(string)),
+		if err != nil {
-			Rating: models.AnthroveRating(post.Props["rating"].(string)),
+			return nil, err
+		}
+
+		source, _, err := neo4j.GetRecordValue[neo4j.Node](record, "Source")
+		if err != nil {
+			return nil, err
+		}
+
+		if len(favoritePosts) != 0 && favoritePosts[len(favoritePosts)-1].AnthrovePost.PostID == models.AnthrovePostID(anthrovePost.Props["post_id"].(string)) {
+			favoritePosts[len(favoritePosts)-1].Relations = append(favoritePosts[len(favoritePosts)-1].Relations, models.FavoriteRelations{
+				SourcesID: source.Props["display_name"].(string),
+				Relations: models.AnthrovePostRelationship{
+					PostID: postRelation.Props["source_post_id"].(string),
+					Url:    postRelation.Props["url"].(string),
+				},
+			})
+		} else {
+			favoritePosts = append(favoritePosts, models.FavoritePost{
+				AnthrovePost: models.AnthrovePost{
+					PostID: models.AnthrovePostID(anthrovePost.Props["post_id"].(string)),
+					Rating: models.AnthroveRating(anthrovePost.Props["rating"].(string)),
+				},
+				Relations: []models.FavoriteRelations{{
+					SourcesID: source.Props["display_name"].(string),
+					Relations: models.AnthrovePostRelationship{
+						PostID: postRelation.Props["source_post_id"].(string),
+						Url:    postRelation.Props["url"].(string),
+					},
+				}},
 			})
 
 		}
 
+	}
+
 	log.WithFields(log.Fields{
-		"anthrove_user_fav_count": len(anthrovePosts),
+		"anthrove_user_fav_count": len(favoritePosts),
 	}).Trace("graph: got al anthrove user favorites")
 
-	return anthrovePosts, nil
+	return &models.FavoriteList{Posts: favoritePosts}, nil
 
 }

pkg/graph/graph.go

@@ -27,6 +27,7 @@ package graph
 
 import (
 	"context"
+
 	"git.dragse.it/anthrove/otter-space-sdk/pkg/models"
 )
 
@@ -86,7 +87,7 @@ type OtterSpace interface {
 	// It returns a map of source domains to user-source relationships, and an error if the operation fails.
 	GetUserSourceLinks(ctx context.Context, anthroveUserID models.AnthroveUserID) (map[string]models.AnthroveUserRelationship, error)
 
-	// GetUserSourceLinks retrieves the links between a user and sources in the OtterSpace graph.
+	// GetSpecifiedUserSourceLink GetUserSourceLinks retrieves the links between a user and a specific source in the OtterSpace graph.
 	// It returns a map of source domains to user-source relationships, and an error if the operation fails.
 	GetSpecifiedUserSourceLink(ctx context.Context, anthroveUserID models.AnthroveUserID, sourceDisplayName string) (map[string]models.AnthroveUserRelationship, error)
 
@@ -98,6 +99,6 @@ type OtterSpace interface {
 	// It returns a slice of user IDs and an error if the operation fails.
 	GetAllAnthroveUserIDs(ctx context.Context) ([]models.AnthroveUserID, error)
 
-	//TODO
+	// GetUserFavoritePostsWithPagination gets all user favorites with relation and sources for the given user
-	GetUserFavoritePostsWithPagination(ctx context.Context, anthroveUserID models.AnthroveUserID, skip int, limit int) ([]models.AnthrovePost, error)
+	GetUserFavoritePostsWithPagination(ctx context.Context, anthroveUserID models.AnthroveUserID, skip int, limit int) (*models.FavoriteList, error)
 }

pkg/graph/impl.go

@@ -96,7 +96,7 @@ func (g *graphConnection) GetAllAnthroveUserIDs(ctx context.Context) ([]models.A
 	return internal.GetAllAnthroveUserIDs(ctx, g.driver)
 }
 
-func (g *graphConnection) GetUserFavoritePostsWithPagination(ctx context.Context, anthroveUserID models.AnthroveUserID, skip int, limit int) ([]models.AnthrovePost, error) {
+func (g *graphConnection) GetUserFavoritePostsWithPagination(ctx context.Context, anthroveUserID models.AnthroveUserID, skip int, limit int) (*models.FavoriteList, error) {
 	return internal.GetUserFavoriteNodeWithPagination(ctx, g.driver, anthroveUserID, skip, limit)
 }