feat: complete MVP epics E7-E10 (provisioning, console proxy, audit, frontend)

backend/internal/template/repository.go

@@ -0,0 +1,113 @@
+package template
+
+import (
+	"context"
+	"database/sql"
+	"errors"
+	"time"
+)
+
+type SQLRepository struct {
+	db *sql.DB
+}
+
+func NewSQLRepository(db *sql.DB) SQLRepository {
+	return SQLRepository{db: db}
+}
+
+func (r SQLRepository) List(ctx context.Context) ([]Template, error) {
+	rows, err := r.db.QueryContext(ctx, `
+		select
+			id::text,
+			cluster_id::text,
+			name,
+			description,
+			proxmox_template_vmid,
+			proxmox_node,
+			created_at
+		from public.templates
+		order by name asc
+	`)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	var templates []Template
+	for rows.Next() {
+		var t Template
+		if err := rows.Scan(&t.ID, &t.ClusterID, &t.Name, &t.Description, &t.ProxmoxTemplateVMID, &t.ProxmoxNode, &t.CreatedAt); err != nil {
+			return nil, err
+		}
+		templates = append(templates, t)
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+
+	return templates, nil
+}
+
+func (r SQLRepository) Get(ctx context.Context, id string) (Template, bool, error) {
+	var t Template
+	err := r.db.QueryRowContext(ctx, `
+		select
+			id::text,
+			cluster_id::text,
+			name,
+			description,
+			proxmox_template_vmid,
+			proxmox_node,
+			created_at
+		from public.templates
+		where id = $1
+	`, id).Scan(&t.ID, &t.ClusterID, &t.Name, &t.Description, &t.ProxmoxTemplateVMID, &t.ProxmoxNode, &t.CreatedAt)
+	if errors.Is(err, sql.ErrNoRows) {
+		return Template{}, false, nil
+	}
+	if err != nil {
+		return Template{}, false, err
+	}
+
+	return t, true, nil
+}
+
+func (r SQLRepository) Upsert(ctx context.Context, t Template) (Template, error) {
+	err := r.db.QueryRowContext(ctx, `
+		insert into public.templates (cluster_id, name, description, proxmox_template_vmid, proxmox_node)
+		values ($1, $2, $3, $4, $5)
+		on conflict (cluster_id, proxmox_node, proxmox_template_vmid)
+		do update set name = $2, description = $3, updated_at = now()
+		returning id::text, name, description, proxmox_template_vmid, proxmox_node, created_at, coalesce(updated_at, created_at)
+	`, t.ClusterID, t.Name, t.Description, t.ProxmoxTemplateVMID, t.ProxmoxNode).Scan(
+		&t.ID, &t.Name, &t.Description, &t.ProxmoxTemplateVMID, &t.ProxmoxNode, &t.CreatedAt, &t.UpdatedAt,
+	)
+	if err != nil {
+		return Template{}, err
+	}
+
+	return t, nil
+}
+
+func (r SQLRepository) Delete(ctx context.Context, id string) (bool, error) {
+	res, err := r.db.ExecContext(ctx, `delete from public.templates where id = $1`, id)
+	if err != nil {
+		return false, err
+	}
+	rowsAffected, err := res.RowsAffected()
+	if err != nil {
+		return false, err
+	}
+	return rowsAffected > 0, nil
+}
+
+type Template struct {
+	ID                  string    `json:"id"`
+	ClusterID           string    `json:"cluster_id"`
+	Name                string    `json:"name"`
+	Description         string    `json:"description"`
+	ProxmoxTemplateVMID int       `json:"proxmox_template_vmid"`
+	ProxmoxNode         string    `json:"proxmox_node"`
+	CreatedAt           time.Time `json:"created_at"`
+	UpdatedAt           time.Time `json:"updated_at"`
+}