func internalGetArticles(u content.User, dbo *db.DB, logger webfw.Logger, opts data.ArticleQueryOptions, sorting content.ArticleSorting, join, where string, args []interface{}) (ua []content.UserArticle) {
renderData := getArticlesData{}
s := dbo.SQL()
if opts.IncludeScores {
renderData.Columns += ", asco.score"
renderData.Join += s.User.GetArticlesScoreJoin
}
if opts.UntaggedOnly {
renderData.Join += s.User.GetArticlesUntaggedJoin
}
if join != "" {
renderData.Join += " " + join
}
args = append([]interface{}{u.Data().Login}, args...)
whereSlice := []string{}
if opts.UnreadOnly {
whereSlice = append(whereSlice, "au.article_id IS NOT NULL")
} else if opts.ReadOnly {
whereSlice = append(whereSlice, "au.article_id IS NULL")
}
if opts.UntaggedOnly {
whereSlice = append(whereSlice, "uft.feed_id IS NULL")
}
if where != "" {
whereSlice = append(whereSlice, where)
}
if opts.BeforeId > 0 {
whereSlice = append(whereSlice, fmt.Sprintf("a.id < $%d", len(args)+1))
args = append(args, opts.BeforeId)
}
if opts.AfterId > 0 {
whereSlice = append(whereSlice, fmt.Sprintf("a.id > $%d", len(args)+1))
args = append(args, opts.AfterId)
}
if opts.FavoriteOnly {
whereSlice = append(whereSlice, "af.article_id IS NOT NULL")
}
if !opts.BeforeDate.IsZero() {
whereSlice = append(whereSlice, fmt.Sprintf("(a.date IS NULL OR a.date < $%d)", len(args)+1))
args = append(args, opts.BeforeDate)
}
if !opts.AfterDate.IsZero() {
whereSlice = append(whereSlice, fmt.Sprintf("a.date > $%d", len(args)+1))
args = append(args, opts.AfterDate)
}
if len(whereSlice) > 0 {
renderData.Where = "WHERE " + strings.Join(whereSlice, " AND ")
}
sortingField := sorting.Field()
sortingOrder := sorting.Order()
fields := []string{}
if opts.IncludeScores && opts.HighScoredFirst {
field := "asco.score"
if sortingOrder == data.DescendingOrder {
field += " DESC"
}
fields = append(fields, field)
}
if opts.UnreadFirst {
fields = append(fields, "read")
}
switch sortingField {
case data.SortById:
fields = append(fields, "a.id")
case data.SortByDate:
fields = append(fields, "a.date")
}
if len(fields) > 0 {
renderData.Order = " ORDER BY " + strings.Join(fields, ", ")
if sortingOrder == data.DescendingOrder {
renderData.Order += " DESC"
}
}
if opts.Limit > 0 {
renderData.Limit = fmt.Sprintf(" LIMIT $%d OFFSET $%d", len(args)+1, len(args)+2)
args = append(args, opts.Limit, opts.Offset)
}
buf := util.BufferPool.GetBuffer()
defer util.BufferPool.Put(buf)
if err := getArticlesTemplate.Execute(buf, renderData); err != nil {
u.Err(fmt.Errorf("Error executing get-articles template: %v", err))
return
}
sql := buf.String()
var data []data.Article
logger.Debugf("Articles SQL:\n%s\nArgs:%v\n", sql, args)
if err := dbo.Select(&data, sql, args...); err != nil {
u.Err(err)
return
}
ua = make([]content.UserArticle, len(data))
for i := range data {
ua[i] = u.Repo().UserArticle(u)
ua[i].Data(data[i])
}
processors := u.Repo().ArticleProcessors()
if !opts.SkipProcessors && len(processors) > 0 {
for _, p := range processors {
if opts.SkipSessionProcessors {
if _, ok := p.(processor.ProxyHTTP); ok {
continue
}
}
ua = p.ProcessArticles(ua)
}
}
return
}
func articleIds(u content.User, dbo *db.DB, logger webfw.Logger, opts data.ArticleIdQueryOptions, join, where string, args []interface{}) (ids []data.ArticleId) {
if u.HasErr() {
return
}
s := dbo.SQL()
var err error
if getArticleIdsTemplate == nil {
getArticleIdsTemplate, err = template.New("article-ids-sql").
Parse(s.User.GetArticleIdsTemplate)
if err != nil {
u.Err(fmt.Errorf("Error generating article-ids template: %v", err))
return
}
}
renderData := articleIdsData{}
containsUserFeeds := !opts.UnreadOnly && !opts.FavoriteOnly
if containsUserFeeds {
renderData.Join += s.User.GetArticleIdsUserFeedsJoin
} else {
if opts.UnreadOnly {
renderData.Join += s.User.GetArticleIdsUnreadJoin
}
if opts.FavoriteOnly {
renderData.Join += s.User.GetArticleIdsFavoriteJoin
}
}
if opts.UntaggedOnly {
renderData.Join += s.User.GetArticleIdsUntaggedJoin
}
if join != "" {
renderData.Join += " " + join
}
args = append([]interface{}{u.Data().Login}, args...)
whereSlice := []string{}
if opts.UnreadOnly {
whereSlice = append(whereSlice, "au.article_id IS NOT NULL AND au.user_login = $1")
}
if opts.FavoriteOnly {
whereSlice = append(whereSlice, "af.article_id IS NOT NULL AND af.user_login = $1")
}
if opts.UntaggedOnly {
whereSlice = append(whereSlice, "uft.feed_id IS NULL")
}
if where != "" {
whereSlice = append(whereSlice, where)
}
if opts.BeforeId > 0 {
whereSlice = append(whereSlice, fmt.Sprintf("a.id < $%d", len(args)+1))
args = append(args, opts.BeforeId)
}
if opts.AfterId > 0 {
whereSlice = append(whereSlice, fmt.Sprintf("a.id > $%d", len(args)+1))
args = append(args, opts.AfterId)
}
if !opts.BeforeDate.IsZero() {
whereSlice = append(whereSlice, fmt.Sprintf("(a.date IS NULL OR a.date < $%d)", len(args)+1))
args = append(args, opts.BeforeDate)
}
if !opts.AfterDate.IsZero() {
whereSlice = append(whereSlice, fmt.Sprintf("a.date > $%d", len(args)+1))
args = append(args, opts.AfterDate)
}
if len(whereSlice) > 0 {
renderData.Where = "WHERE " + strings.Join(whereSlice, " AND ")
}
buf := util.BufferPool.GetBuffer()
defer util.BufferPool.Put(buf)
if err := getArticleIdsTemplate.Execute(buf, renderData); err != nil {
u.Err(fmt.Errorf("Error executing article-ids template: %v", err))
return
}
sql := buf.String()
logger.Debugf("Article ids SQL:\n%s\nArgs:%v\n", sql, args)
if err := dbo.Select(&ids, sql, args...); err != nil {
u.Err(err)
return
}
return
}
func getArticles(u content.User, dbo *db.DB, logger webfw.Logger, sorting content.ArticleSorting, columns, join, where, order string, args []interface{}, paging ...int) (ua []content.UserArticle) {
if u.HasErr() {
return
}
sql := dbo.SQL("get_article_columns")
if columns != "" {
sql += ", " + columns
}
sql += dbo.SQL("get_article_tables")
if join != "" {
sql += " " + join
}
sql += dbo.SQL("get_article_joins")
args = append([]interface{}{u.Data().Login}, args...)
if where != "" {
sql += " AND " + where
}
sortingField := sorting.Field()
sortingOrder := sorting.Order()
fields := []string{}
if order != "" {
fields = append(fields, order)
}
switch sortingField {
case data.SortById:
fields = append(fields, "a.id")
case data.SortByDate:
fields = append(fields, "a.date")
}
if len(fields) > 0 {
sql += " ORDER BY "
sql += strings.Join(fields, ",")
if sortingOrder == data.DescendingOrder {
sql += " DESC"
}
}
if len(paging) > 0 {
limit, offset := pagingLimit(paging)
sql += fmt.Sprintf(" LIMIT $%d OFFSET $%d", len(args)+1, len(args)+2)
args = append(args, limit, offset)
}
var data []data.Article
logger.Debugf("Articles SQL:\n%s\nArgs:%q\n", sql, args)
if err := dbo.Select(&data, sql, args...); err != nil {
u.Err(err)
return
}
ua = make([]content.UserArticle, len(data))
for i := range data {
ua[i] = u.Repo().UserArticle(u)
ua[i].Data(data[i])
}
return
}