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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,74 @@ | ||
| package utils | ||
|
|
||
| import ( | ||
| "strconv" | ||
| "time" | ||
|
|
||
| "github.com/google/uuid" | ||
| "github.com/jackc/pgx/v5" | ||
| "github.com/jackc/pgx/v5/pgtype" | ||
| "github.com/wwi21seb-projekt/server-alpha/internal/schemas" | ||
| ) | ||
|
|
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| func CreatePostDtoFromRows(rows pgx.Rows) ([]*schemas.PostDTO, error) { | ||
| var posts []*schemas.PostDTO | ||
|
|
||
| for rows.Next() { | ||
| post := &schemas.PostDTO{} | ||
| var createdAt time.Time | ||
| var longitude, latitude, repostLongitude, repostLatitude pgtype.Float8 | ||
| var accuracy, repostAccuracy pgtype.Int4 | ||
| var repostContent, repostAuthorUsername, repostAuthorNickname, repostAuthorProfilePictureURL pgtype.Text | ||
| var repostCreatedAt pgtype.Timestamptz | ||
|
|
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| if err := rows.Scan(&post.PostId, &post.Content, &createdAt, &longitude, &latitude, &accuracy, | ||
| &post.Author.Username, &post.Author.Nickname, &post.Author.ProfilePictureURL, | ||
| &repostContent, &repostCreatedAt, &repostLongitude, &repostLatitude, &repostAccuracy, | ||
| &repostAuthorUsername, &repostAuthorNickname, &repostAuthorProfilePictureURL, | ||
| &post.Likes, &post.Liked); err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| if repostContent.Valid && repostCreatedAt.Valid && repostAuthorNickname.Valid && | ||
| repostAuthorProfilePictureURL.Valid && repostAuthorUsername.Valid { | ||
| // Set the repost DTO | ||
| post.Repost = &schemas.RepostDTO{ | ||
| Content: repostContent.String, | ||
| CreationDate: repostCreatedAt.Time.Format(time.RFC3339), | ||
| Author: schemas.AuthorDTO{ | ||
| Username: repostAuthorUsername.String, | ||
| Nickname: repostAuthorNickname.String, | ||
| ProfilePictureURL: repostAuthorProfilePictureURL.String, | ||
| }, | ||
| } | ||
|
|
||
| if repostLongitude.Valid && repostLatitude.Valid && repostAccuracy.Valid { | ||
| post.Repost.Location = &schemas.LocationDTO{ | ||
| Longitude: repostLongitude.Float64, | ||
| Latitude: repostLatitude.Float64, | ||
| Accuracy: repostAccuracy.Int32, | ||
| } | ||
| } | ||
| } | ||
|
|
||
| post.CreationDate = createdAt.Format(time.RFC3339) | ||
| posts = append(posts, post) | ||
| } | ||
|
|
||
| return posts, nil | ||
| } | ||
|
|
||
| // ParseLimitAndPostId parses the 'limit' and 'lastPostId' from the query parameters and provides default values if necessary. | ||
| func ParseLimitAndPostId(limit, lastPostId string) (string, string) { | ||
| intLimit, err := strconv.Atoi(limit) | ||
| if err != nil || intLimit > 10 || intLimit < 1 { | ||
| limit = "10" | ||
| } | ||
|
|
||
| postId, err := uuid.Parse(lastPostId) | ||
| if err != nil || postId == uuid.Nil { | ||
| lastPostId = "" | ||
| } | ||
|
|
||
| return limit, lastPostId | ||
| } |