89 lines
1.8 KiB
Go
89 lines
1.8 KiB
Go
/*
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Copyright 2025 Peter Kurfer.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package migrations
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import (
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"embed"
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"fmt"
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"io/fs"
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"iter"
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"path"
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"slices"
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"strings"
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)
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//go:embed */*.sql
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var migrationsFS embed.FS
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type Script struct {
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FileName string
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Content string
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}
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func InitScripts() iter.Seq2[Script, error] {
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return readScripts(path.Join(".", "init-scripts"))
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}
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func MigrationScripts() iter.Seq2[Script, error] {
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return readScripts(path.Join(".", "migrations"))
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}
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func RoleCreationScript(roleName string) (Script, error) {
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fileName := fmt.Sprintf("%s.sql", roleName)
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content, err := migrationsFS.ReadFile(path.Join("roles", fileName))
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if err != nil {
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return Script{}, err
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}
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return Script{fileName, string(content)}, nil
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}
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func readScripts(dir string) iter.Seq2[Script, error] {
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return func(yield func(Script, error) bool) {
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files, err := migrationsFS.ReadDir(dir)
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if err != nil {
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yield(Script{}, err)
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return
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}
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slices.SortFunc(files, func(a, b fs.DirEntry) int {
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return strings.Compare(a.Name(), b.Name())
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})
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for _, file := range files {
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if file.IsDir() {
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continue
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}
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content, err := migrationsFS.ReadFile(path.Join(dir, file.Name()))
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if err != nil {
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if !yield(Script{}, err) {
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return
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}
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}
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s := Script{
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FileName: file.Name(),
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Content: string(content),
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}
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if !yield(s, nil) {
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return
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}
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}
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}
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}
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