116 lines
2.4 KiB
Go
116 lines
2.4 KiB
Go
package mlp
|
|
|
|
import (
|
|
"encoding/json"
|
|
"errors"
|
|
"fmt"
|
|
"io/ioutil"
|
|
"net/http"
|
|
"strings"
|
|
|
|
"git.fromouter.space/mcg/draft"
|
|
)
|
|
|
|
// Set is a set/expansion of MLP:CCG
|
|
type Set struct {
|
|
ID SetID
|
|
Name string
|
|
CardList []draft.Card
|
|
CardData map[string]Card
|
|
}
|
|
|
|
// jsonSet is the set as serialized in the JSON files
|
|
type jsonSet struct {
|
|
ID SetID
|
|
Name string
|
|
Cards []Card
|
|
}
|
|
|
|
func (j *jsonSet) toSet() (s Set) {
|
|
s.Name = j.Name
|
|
s.CardData = make(map[string]Card)
|
|
s.CardList = make([]draft.Card, len(j.Cards))
|
|
for i, card := range j.Cards {
|
|
s.CardData[card.ID] = card
|
|
s.CardList[i] = draft.Card{ID: card.ID}
|
|
}
|
|
return
|
|
}
|
|
|
|
var loadedSets = make(map[SetID]*Set)
|
|
|
|
// Errors
|
|
var (
|
|
ErrSetNotLoaded = errors.New("set not loaded")
|
|
)
|
|
|
|
// CleanSetCache removes all loaded sets from memory
|
|
func CleanSetCache() {
|
|
loadedSets = make(map[SetID]*Set)
|
|
}
|
|
|
|
// LoadSetData loads sets from data
|
|
func LoadSetData(sets map[SetID][]byte) error {
|
|
for setid, setdata := range sets {
|
|
_, err := LoadSetBytes(setid, setdata)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// LoadSetMemory loads a set from memory (must have been previously loaded with LoadSetData or other functions)
|
|
func LoadSetMemory(id SetID) (*Set, error) {
|
|
// Check if set is already loaded
|
|
if set, ok := loadedSets[id]; ok {
|
|
return set, nil
|
|
}
|
|
// Not loaded, return error
|
|
return nil, ErrSetNotLoaded
|
|
}
|
|
|
|
// LoadSetBytes loads a set with a specified ID from JSON
|
|
func LoadSetBytes(id SetID, setdata []byte) (*Set, error) {
|
|
// Check if set is already loaded
|
|
if set, ok := loadedSets[id]; ok {
|
|
return set, nil
|
|
}
|
|
|
|
var jsonset jsonSet
|
|
err := json.Unmarshal(setdata, &jsonset)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
set := jsonset.toSet()
|
|
set.ID = id
|
|
loadedSets[set.ID] = &set
|
|
return &set, err
|
|
}
|
|
|
|
// LoadSetHTTP loads a set using MCG's remote server
|
|
func LoadSetHTTP(id SetID) (*Set, error) {
|
|
// Check if set is already loaded
|
|
if set, ok := loadedSets[id]; ok {
|
|
return set, nil
|
|
}
|
|
|
|
// Get SetID as string and make it lowercase
|
|
setid := strings.ToLower(string(id))
|
|
|
|
resp, err := http.Get("https://mcg.zyg.ovh/setdata/" + setid + ".json")
|
|
if err != nil || resp.StatusCode != 200 {
|
|
if err == nil {
|
|
err = fmt.Errorf("server returned non-200 response code (%d)", resp.StatusCode)
|
|
}
|
|
return nil, err
|
|
}
|
|
|
|
data, err := ioutil.ReadAll(resp.Body)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return LoadSetBytes(id, data)
|
|
}
|