TheMathemagicians/sevenkeys/main.go

102 lines
2.1 KiB
Go
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package main
import (
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"database/sql"
"io"
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"log"
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"net/http"
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"os"
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"sevenkeys/database"
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"sevenkeys/database/operations"
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"sevenkeys/scryfall/methods"
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"sevenkeys/scryfall/types"
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)
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const CACHE_DIR string = "cache"
const SET_ICON_CACHE_DIR string = CACHE_DIR + "/seticons/"
const SET_ICON_FILE_EXTENSION string = ".svg"
const ALL_CARDS_CACHE_FILENAME = CACHE_DIR + "/all-cards.json"
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func check(err error) {
if err != nil {
log.Fatal(err)
}
}
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func createCacheDirectories() error {
err := os.Mkdir(CACHE_DIR, os.ModePerm)
if err != nil && !os.IsExist(err) {
return err
}
err = os.Mkdir(SET_ICON_CACHE_DIR, os.ModePerm)
if err != nil && !os.IsExist(err) {
return err
}
return nil
}
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func importSets(db *sql.DB, sets []types.Set) error {
for _, set := range sets {
// We're only interested in paper cards, so skip importing
// any sets that were only released in a video game
if set.Digital {
continue
}
log.Println("Importing " + set.Code)
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err := operations.InsertOrUpdateSet(db, set)
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if err != nil {
return err
}
log.Println("Downloading logo for " + set.Code)
response, err := http.Get(set.IconSvgUri)
defer response.Body.Close()
if err != nil {
return err
}
iconFilename := SET_ICON_CACHE_DIR + set.Code + SET_ICON_FILE_EXTENSION
iconFile, err := os.Create(iconFilename)
if err != nil {
return err
}
io.Copy(iconFile, response.Body)
log.Println("Finished importing " + set.Code)
}
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return nil
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}
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func main() {
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log.Println("Connecting to database...")
db := database.GetDatabaseFromConfig("config.json")
log.Println("Connected.")
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log.Println("Creating cache directories...")
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err := createCacheDirectories()
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check(err)
log.Println("Created cache directories.")
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log.Println("Downloading set data from Scryfall...")
sets, err := methods.GetSets()
check(err)
log.Println("Downloaded set data.")
log.Println("Importing set data...")
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err = importSets(db, sets)
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check(err)
log.Println("Imported sets.")
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// Check whether card data has been updated since last download
// If yes, redownload and recache the bulk data
// Unmarshal cached file into Golang struct
// Import cards into database
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}