edavis.dev
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feat: use string builder for mostliked generator query
+17
-34
+17
-34
pkg/mostliked/generator.go
+17
-34
pkg/mostliked/generator.go
···
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5
"database/sql"
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6
"log"
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"strconv"
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+
"strings"
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+
"fmt"
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appbsky "github.com/bluesky-social/indigo/api/bsky"
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"github.com/edavis/bsky-feeds/pkg/feeds"
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_ "github.com/mattn/go-sqlite3"
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"github.com/sanggonlee/gosq"
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)
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type PostRow struct {
···
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}
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func getPosts(ctx context.Context, dbCnx *sql.DB, params feeds.FeedgenParams) ([]PostRow, error) {
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q, err := gosq.Execute(`
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SELECT posts.uri, likes
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FROM posts LEFT JOIN langs ON posts.uri = langs.uri
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WHERE 1=1
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{{if .Langs}}
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AND (
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{{- range $index, $lang := .Langs }}
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{{- if $index }} OR {{ end }} lang = ?
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{{- end }}
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)
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{{end}}
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{{if .Offset}}
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AND likes < ?
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{{end}}
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ORDER BY likes DESC, create_ts DESC
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LIMIT ?
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`, params)
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if err != nil {
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log.Println("error in sql template:", err)
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}
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log.Println(q)
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-
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var queryParams []any
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for _, lang := range params.Langs {
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queryParams = append(queryParams, lang.String())
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var query strings.Builder
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fmt.Fprint(&query, "SELECT posts.uri, likes FROM posts LEFT JOIN langs ON posts.uri = langs.uri")
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+
if len(params.Langs) > 0 {
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fmt.Fprint(&query, " WHERE ")
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for idx, lang := range params.Langs {
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if idx > 0 {
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fmt.Fprint(&query, " OR ")
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+
}
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fmt.Fprint(&query, " lang = ? ")
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queryParams = append(queryParams, lang.String())
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+
}
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}
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-
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if params.Offset != "" {
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queryParams = append(queryParams, params.Offset)
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}
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-
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+
// TODO cursor/offset stuff
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fmt.Fprint(&query, "ORDER BY likes DESC, create_ts DESC")
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fmt.Fprint(&query, "LIMIT ?")
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queryParams = append(queryParams, params.Limit)
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log.Println(queryParams)
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rows, err := dbCnx.QueryContext(ctx, q, queryParams...)
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rows, err := dbCnx.QueryContext(ctx, q.String(), queryParams...)
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if err != nil {
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return nil, err
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}