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package api
import (
"context"
"database/sql"
"fmt"
"strconv"
appcontext "undef.ninja/x/feedaka/context"
"undef.ninja/x/feedaka/db"
)
const defaultPageSize = 30
const maxPageSize = 100
func (h *Handler) ArticlesListUnreadArticles(ctx context.Context, request ArticlesListUnreadArticlesRequestObject) (ArticlesListUnreadArticlesResponseObject, error) {
conn, err := h.paginatedArticles(ctx, 0, request.Params.FeedId, request.Params.After, request.Params.First)
if err != nil {
return nil, err
}
return ArticlesListUnreadArticles200JSONResponse(*conn), nil
}
func (h *Handler) ArticlesListReadArticles(ctx context.Context, request ArticlesListReadArticlesRequestObject) (ArticlesListReadArticlesResponseObject, error) {
conn, err := h.paginatedArticles(ctx, 1, request.Params.FeedId, request.Params.After, request.Params.First)
if err != nil {
return nil, err
}
return ArticlesListReadArticles200JSONResponse(*conn), nil
}
func (h *Handler) ArticlesGetArticle(ctx context.Context, request ArticlesGetArticleRequestObject) (ArticlesGetArticleResponseObject, error) {
userID, ok := appcontext.GetUserID(ctx)
if !ok {
return nil, fmt.Errorf("authentication required")
}
articleID, err := strconv.ParseInt(request.ArticleId, 10, 64)
if err != nil {
return ArticlesGetArticle404JSONResponse{Message: "invalid article ID"}, nil
}
row, err := h.Queries.GetArticle(ctx, articleID)
if err != nil {
if err == sql.ErrNoRows {
return ArticlesGetArticle404JSONResponse{Message: "article not found"}, nil
}
return nil, err
}
f, err := h.Queries.GetFeed(ctx, row.FeedID)
if err != nil {
return nil, err
}
if f.UserID != userID {
return ArticlesGetArticle404JSONResponse{Message: "article not found"}, nil
}
article := dbArticleToAPI(row)
return ArticlesGetArticle200JSONResponse(article), nil
}
func (h *Handler) ArticlesMarkArticleRead(ctx context.Context, request ArticlesMarkArticleReadRequestObject) (ArticlesMarkArticleReadResponseObject, error) {
article, err := h.updateArticleReadStatus(ctx, request.ArticleId, 1)
if err != nil {
return nil, err
}
if article == nil {
return ArticlesMarkArticleRead404JSONResponse{Message: "article not found"}, nil
}
return ArticlesMarkArticleRead200JSONResponse(*article), nil
}
func (h *Handler) ArticlesMarkArticleUnread(ctx context.Context, request ArticlesMarkArticleUnreadRequestObject) (ArticlesMarkArticleUnreadResponseObject, error) {
article, err := h.updateArticleReadStatus(ctx, request.ArticleId, 0)
if err != nil {
return nil, err
}
if article == nil {
return ArticlesMarkArticleUnread404JSONResponse{Message: "article not found"}, nil
}
return ArticlesMarkArticleUnread200JSONResponse(*article), nil
}
func (h *Handler) updateArticleReadStatus(ctx context.Context, articleIdStr string, isRead int64) (*Article, error) {
userID, ok := appcontext.GetUserID(ctx)
if !ok {
return nil, fmt.Errorf("authentication required")
}
articleID, err := strconv.ParseInt(articleIdStr, 10, 64)
if err != nil {
return nil, nil
}
article, err := h.Queries.GetArticle(ctx, articleID)
if err != nil {
if err == sql.ErrNoRows {
return nil, nil
}
return nil, err
}
f, err := h.Queries.GetFeed(ctx, article.FeedID)
if err != nil {
return nil, err
}
if f.UserID != userID {
return nil, nil
}
err = h.Queries.UpdateArticleReadStatus(ctx, db.UpdateArticleReadStatusParams{
IsRead: isRead,
ID: article.ID,
})
if err != nil {
return nil, err
}
// Re-fetch for updated state
updated, err := h.Queries.GetArticle(ctx, articleID)
if err != nil {
return nil, err
}
result := dbArticleToAPI(updated)
return &result, nil
}
func (h *Handler) paginatedArticles(ctx context.Context, isRead int64, feedID *string, after *string, first *int32) (*ArticleConnection, error) {
userID, ok := appcontext.GetUserID(ctx)
if !ok {
return nil, fmt.Errorf("authentication required")
}
limit := int64(defaultPageSize)
if first != nil {
limit = int64(*first)
if limit <= 0 {
limit = int64(defaultPageSize)
}
if limit > maxPageSize {
limit = maxPageSize
}
}
fetchLimit := limit + 1
var rawRows []any
if feedID != nil {
parsedFeedID, err := strconv.ParseInt(*feedID, 10, 64)
if err != nil {
return nil, fmt.Errorf("invalid feed ID: %w", err)
}
if after != nil {
cursor, err := strconv.ParseInt(*after, 10, 64)
if err != nil {
return nil, fmt.Errorf("invalid cursor: %w", err)
}
rows, err := h.Queries.GetArticlesByFeedPaginatedAfter(ctx, db.GetArticlesByFeedPaginatedAfterParams{
IsRead: isRead,
UserID: userID,
FeedID: parsedFeedID,
ID: cursor,
Limit: fetchLimit,
})
if err != nil {
return nil, err
}
for _, row := range rows {
rawRows = append(rawRows, row)
}
} else {
rows, err := h.Queries.GetArticlesByFeedPaginated(ctx, db.GetArticlesByFeedPaginatedParams{
IsRead: isRead,
UserID: userID,
FeedID: parsedFeedID,
Limit: fetchLimit,
})
if err != nil {
return nil, err
}
for _, row := range rows {
rawRows = append(rawRows, row)
}
}
} else {
if after != nil {
cursor, err := strconv.ParseInt(*after, 10, 64)
if err != nil {
return nil, fmt.Errorf("invalid cursor: %w", err)
}
rows, err := h.Queries.GetArticlesPaginatedAfter(ctx, db.GetArticlesPaginatedAfterParams{
IsRead: isRead,
UserID: userID,
ID: cursor,
Limit: fetchLimit,
})
if err != nil {
return nil, err
}
for _, row := range rows {
rawRows = append(rawRows, row)
}
} else {
rows, err := h.Queries.GetArticlesPaginated(ctx, db.GetArticlesPaginatedParams{
IsRead: isRead,
UserID: userID,
Limit: fetchLimit,
})
if err != nil {
return nil, err
}
for _, row := range rows {
rawRows = append(rawRows, row)
}
}
}
hasNextPage := int64(len(rawRows)) > limit
if hasNextPage {
rawRows = rawRows[:limit]
}
articles := make([]Article, 0, len(rawRows))
for _, raw := range rawRows {
articles = append(articles, rowToArticle(toArticleRow(raw)))
}
var endCursor *string
if len(articles) > 0 {
lastID := articles[len(articles)-1].Id
endCursor = &lastID
}
return &ArticleConnection{
Articles: articles,
PageInfo: PageInfo{
HasNextPage: hasNextPage,
EndCursor: endCursor,
},
}, nil
}
|
