forked from OpenBazaar/openbazaar-go
/
Migration006.go
225 lines (206 loc) · 6.61 KB
/
Migration006.go
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package migrations
import (
"database/sql"
"encoding/json"
"fmt"
"io/ioutil"
"os"
"path"
)
type Migration006 struct{}
type Migration006_configRecord struct {
StoreModerators []string `json:"storeModerators"`
}
type Migration006_price struct {
CurrencyCode string `json:"currencyCode"`
Amount uint64 `json:"amount"`
}
type Migration006_thumbnail struct {
Tiny string `json:"tiny"`
Small string `json:"small"`
Medium string `json:"medium"`
}
type Migration006_listingDataBeforeMigration struct {
Hash string `json:"hash"`
Slug string `json:"slug"`
Title string `json:"title"`
Categories []string `json:"categories"`
NSFW bool `json:"nsfw"`
ContractType string `json:"contractType"`
Description string `json:"description"`
Thumbnail Migration006_thumbnail `json:"thumbnail"`
Price Migration006_price `json:"price"`
ShipsTo []string `json:"shipsTo"`
FreeShipping []string `json:"freeShipping"`
Language string `json:"language"`
AverageRating float32 `json:"averageRating"`
RatingCount uint32 `json:"ratingCount"`
}
type Migration006_listingDataAfterMigration struct {
Hash string `json:"hash"`
Slug string `json:"slug"`
Title string `json:"title"`
Categories []string `json:"categories"`
NSFW bool `json:"nsfw"`
ContractType string `json:"contractType"`
Description string `json:"description"`
Thumbnail Migration006_thumbnail `json:"thumbnail"`
Price Migration006_price `json:"price"`
ShipsTo []string `json:"shipsTo"`
FreeShipping []string `json:"freeShipping"`
Language string `json:"language"`
AverageRating float32 `json:"averageRating"`
RatingCount uint32 `json:"ratingCount"`
// Adding ModeratorIDs
ModeratorIDs []string `json:"moderators"`
}
func (Migration006) Up(repoPath, databasePassword string, testnetEnabled bool) error {
var (
databaseFilePath string
listingsFilePath = path.Join(repoPath, "root", "listings.json")
repoVersionFilePath = path.Join(repoPath, "repover")
)
if testnetEnabled {
databaseFilePath = path.Join(repoPath, "datastore", "testnet.db")
} else {
databaseFilePath = path.Join(repoPath, "datastore", "mainnet.db")
}
// Non-vendors might not have an listing.json and we don't want to error here if that's the case
indexExists := true
if _, err := os.Stat(listingsFilePath); os.IsNotExist(err) {
indexExists = false
}
if indexExists {
// Get ModeratorIDs
db, err := sql.Open("sqlite3", databaseFilePath)
if err != nil {
return err
}
if databasePassword != "" {
p := fmt.Sprintf("PRAGMA key = '%s';", databasePassword)
_, err := db.Exec(p)
if err != nil {
return err
}
}
var (
configJSON []byte
configRecord Migration006_configRecord
storeModerators []string
)
configQuery := db.QueryRow("SELECT value FROM config WHERE key = 'settings' LIMIT 1")
err = configQuery.Scan(&configJSON)
if err != nil {
if err != sql.ErrNoRows {
return err
}
storeModerators = make([]string, 0)
} else {
if err = json.Unmarshal(configJSON, &configRecord); err != nil {
return err
}
storeModerators = configRecord.StoreModerators
}
// Listing transformation
var (
listingJSON []byte
listingRecords []Migration006_listingDataBeforeMigration
migratedRecords []Migration006_listingDataAfterMigration
)
listingJSON, err = ioutil.ReadFile(listingsFilePath)
if err != nil {
return err
}
if err = json.Unmarshal(listingJSON, &listingRecords); err != nil {
return err
}
for _, listing := range listingRecords {
migratedRecords = append(migratedRecords, Migration006_listingDataAfterMigration{
Hash: listing.Hash,
Slug: listing.Slug,
Title: listing.Title,
Categories: listing.Categories,
NSFW: listing.NSFW,
ContractType: listing.ContractType,
Description: listing.Description,
Thumbnail: listing.Thumbnail,
Price: listing.Price,
ShipsTo: listing.ShipsTo,
FreeShipping: listing.FreeShipping,
Language: listing.Language,
AverageRating: listing.AverageRating,
RatingCount: listing.RatingCount,
ModeratorIDs: storeModerators,
})
}
if listingJSON, err = json.Marshal(migratedRecords); err != nil {
return err
}
err = ioutil.WriteFile(listingsFilePath, listingJSON, os.ModePerm)
if err != nil {
return err
}
}
// Bump schema version
err := ioutil.WriteFile(repoVersionFilePath, []byte("7"), os.ModePerm)
if err != nil {
return err
}
return nil
}
func (Migration006) Down(repoPath, databasePassword string, testnetEnabled bool) error {
var (
listingsFilePath = path.Join(repoPath, "root", "listings.json")
repoVersionFilePath = path.Join(repoPath, "repover")
)
indexExists := true
if _, err := os.Stat(listingsFilePath); os.IsNotExist(err) {
indexExists = false
}
if indexExists {
// Listing transformation
var (
listingJSON []byte
listingRecords []Migration006_listingDataAfterMigration
migratedRecords []Migration006_listingDataBeforeMigration
)
listingJSON, err := ioutil.ReadFile(listingsFilePath)
if err != nil {
return err
}
if err = json.Unmarshal(listingJSON, &listingRecords); err != nil {
return err
}
for _, listing := range listingRecords {
migratedRecords = append(migratedRecords, Migration006_listingDataBeforeMigration{
Hash: listing.Hash,
Slug: listing.Slug,
Title: listing.Title,
Categories: listing.Categories,
NSFW: listing.NSFW,
ContractType: listing.ContractType,
Description: listing.Description,
Thumbnail: listing.Thumbnail,
Price: listing.Price,
ShipsTo: listing.ShipsTo,
FreeShipping: listing.FreeShipping,
Language: listing.Language,
AverageRating: listing.AverageRating,
RatingCount: listing.RatingCount,
})
}
if listingJSON, err = json.MarshalIndent(migratedRecords, "", " "); err != nil {
return err
}
err = ioutil.WriteFile(listingsFilePath, listingJSON, os.ModePerm)
if err != nil {
return err
}
}
// Revert schema version
err := ioutil.WriteFile(repoVersionFilePath, []byte("6"), os.ModePerm)
if err != nil {
return err
}
return nil
}