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model.go
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model.go
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package script
import (
"encoding/json"
"io/ioutil"
"math/rand"
"path/filepath"
"sort"
"github.com/veonik/squircy2/data"
log "github.com/sirupsen/logrus"
"github.com/veonik/squircy2/config"
)
type ScriptType string
const (
Javascript ScriptType = "Javascript"
)
type Script struct {
ID int
Type ScriptType
Title string
Body string
Enabled bool
}
type ScriptRepository interface {
FetchAll() []*Script
Fetch(id int) *Script
Save(script *Script)
Delete(id int)
}
func newDBRepository(database *data.DB, logger log.FieldLogger) *dbRepository {
return &dbRepository{database, logger}
}
type dbRepository struct {
database *data.DB
logger log.FieldLogger
}
func NewScriptRepository(database *data.DB, conf *config.Configuration, logger log.FieldLogger) ScriptRepository {
if conf.ScriptsAsFiles {
return newFileRepository(conf, logger)
}
return newDBRepository(database, logger)
}
func hydrateScript(rawScript map[string]interface{}) *Script {
script := &Script{}
script.Title = rawScript["Title"].(string)
script.Enabled = rawScript["Enabled"].(bool)
script.Type = ScriptType(rawScript["Type"].(string))
script.Body = rawScript["Body"].(string)
script.Enabled = rawScript["Enabled"].(bool)
return script
}
func flattenScript(script *Script) map[string]interface{} {
rawScript := make(map[string]interface{})
rawScript["Title"] = script.Title
rawScript["Enabled"] = script.Enabled
rawScript["Type"] = script.Type
rawScript["Body"] = script.Body
rawScript["Enabled"] = script.Enabled
return rawScript
}
type scriptSlice []*Script
func (s scriptSlice) Len() int {
return len(s)
}
func (s scriptSlice) Less(i, j int) bool {
return s[i].Title < s[j].Title
}
func (s scriptSlice) Swap(i, j int) {
s[i], s[j] = s[j], s[i]
}
func (repo *dbRepository) FetchAll() []*Script {
col := repo.database.Use("Scripts")
scripts := make([]*Script, 0)
col.ForEachDoc(func(id int, doc []byte) (moveOn bool) {
moveOn = true
val := make(map[string]interface{}, 0)
json.Unmarshal(doc, &val)
script := hydrateScript(val)
script.ID = id
scripts = append(scripts, script)
return
})
sort.Sort(scriptSlice(scripts))
return scripts
}
func (repo *dbRepository) Fetch(id int) *Script {
col := repo.database.Use("Scripts")
rawScript, err := col.Read(id)
if err != nil {
// TODO: Handle error properly
panic(err)
}
script := hydrateScript(rawScript)
script.ID = id
return script
}
func (repo *dbRepository) Save(script *Script) {
col := repo.database.Use("Scripts")
data := flattenScript(script)
if script.ID <= 0 {
id, _ := col.Insert(data)
script.ID = id
} else {
col.Update(script.ID, data)
}
}
func (repo *dbRepository) Delete(id int) {
col := repo.database.Use("Scripts")
col.Delete(id)
}
type fileRepository struct {
idx map[int]string
conf *config.Configuration
logger log.FieldLogger
}
func newFileRepository(conf *config.Configuration, logger log.FieldLogger) *fileRepository {
repo := &fileRepository{make(map[int]string), conf, logger}
repo.loadIndex()
return repo
}
func (repo *fileRepository) loadIndex() {
j, err := ioutil.ReadFile(filepath.Join(repo.conf.ScriptsPath, "index.json"))
if err != nil {
// TODO: Handle error properly
repo.logger.Debugln(err.Error())
return
}
err = json.Unmarshal(j, &repo.idx)
if err != nil {
// TODO: Handle error properly
repo.logger.Debugln(err.Error())
return
}
}
func (repo *fileRepository) saveIndex() {
d, err := json.Marshal(repo.idx)
if err != nil {
// TODO: Handle error properly
repo.logger.Debugln(err.Error())
return
}
err = ioutil.WriteFile(filepath.Join(repo.conf.ScriptsPath, "index.json"), d, 0644)
if err != nil {
// TODO: Handle error properly
repo.logger.Debugln(err.Error())
return
}
}
func (repo *fileRepository) FetchAll() []*Script {
var scripts []*Script
for id, file := range repo.idx {
contents, err := ioutil.ReadFile(filepath.Join(repo.conf.ScriptsPath, file))
if err != nil {
// TODO: Handle error properly
repo.logger.Debugln(err.Error())
continue
}
scripts = append(scripts, &Script{
Title: file,
Body: string(contents),
Type: Javascript,
ID: id,
Enabled: true,
})
}
sort.Sort(scriptSlice(scripts))
return scripts
}
func (repo *fileRepository) Fetch(id int) *Script {
if file, ok := repo.idx[id]; ok {
contents, err := ioutil.ReadFile(filepath.Join(repo.conf.ScriptsPath, file))
if err != nil {
// TODO: Handle error properly
repo.logger.Debugln(err.Error())
return nil
}
return &Script{
Title: file,
Body: string(contents),
Type: Javascript,
ID: id,
Enabled: true,
}
}
return nil
}
func (repo *fileRepository) Save(script *Script) {
if script.ID <= 0 {
script.ID = rand.Int()
}
repo.idx[script.ID] = script.Title
err := ioutil.WriteFile(filepath.Join(repo.conf.ScriptsPath, script.Title), []byte(script.Body), 0644)
if err != nil {
// TODO: Handle error properly
repo.logger.Debugln(err.Error())
return
}
repo.saveIndex()
}
func (repo *fileRepository) Delete(id int) {
delete(repo.idx, id)
repo.saveIndex()
}