127 lines
2.8 KiB
Go
127 lines
2.8 KiB
Go
package mlp
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import (
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"encoding/json"
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"errors"
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"fmt"
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"io/ioutil"
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"net/http"
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"strings"
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"git.fromouter.space/mcg/draft"
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)
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// Set is a set/expansion of MLP:CCG
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type Set struct {
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ID SetID
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Name string
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Cards []Card
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}
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// Card is a single MLP:CCG card in a set
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type Card struct {
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ID string
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Name string
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Subname string
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Element []string
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Keywords []string
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Traits []string
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Requirement PowerRequirement `json:",omitempty"`
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Cost *int `json:",omitempty"`
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Power *int `json:",omitempty"`
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Type string
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Text string
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Rarity Rarity
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ProblemBonus *int `json:",omitempty"`
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ProblemOpponentPower int `json:",omitempty"`
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ProblemRequirement PowerRequirement `json:",omitempty"`
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}
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// ToDraftCard converts cards to draft.Card
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func (c Card) ToDraftCard() draft.Card {
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return draft.Card{
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ID: c.ID,
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}
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}
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// PowerRequirement denotes one or more power requirements, colored or not
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type PowerRequirement map[string]int
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var loadedSets = make(map[SetID]*Set)
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// Errors
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var (
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ErrSetNotLoaded = errors.New("set not loaded")
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)
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// CleanSetCache removes all loaded sets from memory
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func CleanSetCache() {
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loadedSets = make(map[SetID]*Set)
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}
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// LoadSetData loads sets from data
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func LoadSetData(sets map[SetID][]byte) error {
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for setid, setdata := range sets {
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_, err := LoadSetBytes(setid, setdata)
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if err != nil {
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return err
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}
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}
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return nil
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}
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// LoadSetMemory loads a set from memory (must have been previously loaded with LoadSetData or other functions)
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func LoadSetMemory(id SetID) (*Set, error) {
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// Check if set is already loaded
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if set, ok := loadedSets[id]; ok {
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return set, nil
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}
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// Not loaded, return error
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return nil, ErrSetNotLoaded
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}
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// LoadSetBytes loads a set with a specified ID from JSON
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func LoadSetBytes(id SetID, setdata []byte) (*Set, error) {
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// Check if set is already loaded
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if set, ok := loadedSets[id]; ok {
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return set, nil
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}
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var set Set
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err := json.Unmarshal(setdata, &set)
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set.ID = id
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// If set loaded fine, cache it
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if err == nil {
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loadedSets[set.ID] = &set
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}
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return &set, err
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}
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// LoadSetHTTP loads a set using MCG's remote server
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func LoadSetHTTP(id SetID) (*Set, error) {
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// Check if set is already loaded
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if set, ok := loadedSets[id]; ok {
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return set, nil
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}
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// Get SetID as string and make it lowercase
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setid := strings.ToLower(string(id))
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resp, err := http.Get("https://mcg.zyg.ovh/setdata/" + setid + ".json")
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if err != nil || resp.StatusCode != 200 {
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if err == nil {
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err = fmt.Errorf("server returned non-200 response code (%d)", resp.StatusCode)
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}
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return nil, err
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}
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data, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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return nil, err
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}
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return LoadSetBytes(id, data)
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}
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