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// SPDX-License-Identifier: AGPL-3.0-only
// SPDX-FileContributor: Runxi Yu <https://runxiyu.org>
package main
import (
"fmt"
"net/http"
"github.com/jackc/pgx/v5"
"github.com/jackc/pgx/v5/pgtype"
)
func handle_group_index(w http.ResponseWriter, r *http.Request, params map[string]any) {
var group_path []string
var repos []name_desc_t
var subgroups []name_desc_t
var err error
group_path = params["group_path"].([]string)
// Repos
var rows pgx.Rows
rows, err = database.Query(r.Context(), `
WITH RECURSIVE group_path_cte AS (
SELECT
id,
parent_group,
name,
1 AS depth
FROM groups
WHERE name = ($1::text[])[1]
AND parent_group IS NULL
UNION ALL
SELECT
g.id,
g.parent_group,
g.name,
group_path_cte.depth + 1
FROM groups g
JOIN group_path_cte ON g.parent_group = group_path_cte.id
WHERE g.name = ($1::text[])[group_path_cte.depth + 1]
AND group_path_cte.depth + 1 <= cardinality($1::text[])
)
SELECT r.name, COALESCE(r.description, '')
FROM group_path_cte c
JOIN repos r ON r.group_id = c.id
WHERE c.depth = cardinality($1::text[])
`,
pgtype.FlatArray[string](group_path),
)
if err != nil {
http.Error(w, "Error getting repos: "+err.Error(), http.StatusInternalServerError)
return
}
defer rows.Close()
for rows.Next() {
var name, description string
if err = rows.Scan(&name, &description); err != nil {
http.Error(w, "Error getting repos: "+err.Error(), http.StatusInternalServerError)
return
}
repos = append(repos, name_desc_t{name, description})
}
if err = rows.Err(); err != nil {
http.Error(w, "Error getting repos: "+err.Error(), http.StatusInternalServerError)
return
}
// Subgroups
rows, err = database.Query(r.Context(), `
WITH RECURSIVE group_path_cte AS (
SELECT
id,
parent_group,
name,
1 AS depth
FROM groups
WHERE name = ($1::text[])[1]
AND parent_group IS NULL
UNION ALL
SELECT
g.id,
g.parent_group,
g.name,
group_path_cte.depth + 1
FROM groups g
JOIN group_path_cte ON g.parent_group = group_path_cte.id
WHERE g.name = ($1::text[])[group_path_cte.depth + 1]
AND group_path_cte.depth + 1 <= cardinality($1::text[])
)
SELECT g.name, COALESCE(g.description, '')
FROM group_path_cte c
JOIN groups g ON g.parent_group = c.id
WHERE c.depth = cardinality($1::text[])
`,
pgtype.FlatArray[string](group_path),
)
if err != nil {
http.Error(w, "Error getting subgroups: "+err.Error(), http.StatusInternalServerError)
return
}
defer rows.Close()
for rows.Next() {
var name, description string
if err = rows.Scan(&name, &description); err != nil {
http.Error(w, "Error getting subgroups: "+err.Error(), http.StatusInternalServerError)
return
}
subgroups = append(subgroups, name_desc_t{name, description})
}
if err = rows.Err(); err != nil {
http.Error(w, "Error getting subgroups: "+err.Error(), http.StatusInternalServerError)
return
}
params["repos"] = repos
params["subgroups"] = subgroups
fmt.Println(group_path)
render_template(w, "group", params)
}
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