add tcgplayer get category api , get category groups api

config.sample.yml

@@ -15,3 +15,7 @@ redis:
   host: localhost
   port: 6379
   prefix:
+
+tcgplayer:
+  public_key:
+  private_key:

modules/apiact/tcgplayer.go

@@ -1,9 +1,17 @@
 package apiact
 
 import (
+	"encoding/json"
+	"errors"
 	"fmt"
+	"io/ioutil"
+	"net/http"
 	"net/url"
+	"strconv"
+	"strings"
 	"time"
+
+	"git.trj.tw/golang/mtgbot/modules/config"
 )
 
 // TCGPlayer -
@@ -15,7 +23,14 @@ type TCGPlayer struct {
 	Expire      time.Time
 }
 
-func (p *TCGPlayer) getAPIURL(urlPath string) (apiURL string, err error) {
+// TCGPlayerAPIRes -
+type TCGPlayerAPIRes struct {
+	Success bool                     `json:"success"`
+	Errors  []string                 `json:"errors"`
+	Results []map[string]interface{} `json:"results"`
+}
+
+func (p *TCGPlayer) getAPIURL(urlPath string, requireVersion bool) (apiURL string, err error) {
 	u, err := url.Parse(p.URL)
 	if err != nil {
 		return "", err
@@ -36,7 +51,9 @@ func (p *TCGPlayer) getHeader() map[string]string {
 	m := make(map[string]string)
 
 	m["Content-Type"] = "application/json"
+	if len(p.AccessToken) > 0 {
 		m["Authorization"] = fmt.Sprintf("Bearer %s", p.AccessToken)
+	}
 
 	return m
 }
@@ -54,8 +71,52 @@ func NewTCGApi(apiVersion string) (api *TCGPlayer, err error) {
 
 // GetToken -
 func (p *TCGPlayer) GetToken() (err error) {
-	apiURL, err := p.getAPIURL("/token")
-	_ = apiURL
+	conf := config.GetConf()
+	apiURL, err := p.getAPIURL("/token", false)
+
+	dataReader := strings.NewReader(fmt.Sprintf("grant_type=client_credentials&client_id=%s&client_secret=%s", conf.TCGPlayer.PublicKey, conf.TCGPlayer.PrivateKey))
+	reqObj := RequestObject{}
+	reqObj.Method = "POST"
+	reqObj.URL = apiURL
+	reqObj.Body = dataReader
+	reqObj.Headers = p.getHeader()
+
+	req, err := GetRequest(reqObj)
+	if err != nil {
+		return err
+	}
+
+	resp, err := http.DefaultClient.Do(req)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+
+	tokenStruct := struct {
+		AccessToken string `json:"access_token"`
+		TokenType   string `json:"token_type"`
+		ExpiresIn   int    `json:"expires_in"`
+		UserName    string `json:"userName"`
+		Issued      string `json:".issued"`
+		Exipres     string `json:"expires"`
+	}{}
+
+	respByte, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return err
+	}
+
+	err = json.Unmarshal(respByte, &tokenStruct)
+	if err != nil {
+		return err
+	}
+
+	if len(tokenStruct.AccessToken) == 0 {
+		return errors.New("get access token fail")
+	}
+
+	p.AccessToken = tokenStruct.AccessToken
+
 	return
 }
 
@@ -75,16 +136,135 @@ type TCGPlayerCategory struct {
 
 // ListCategory -
 func (p *TCGPlayer) ListCategory(limit, offset int) (category []*TCGPlayerCategory, err error) {
-	apiURL, err := p.getAPIURL("/catalog/categories")
+	apiURL, err := p.getAPIURL("/catalog/categories", true)
 	if err != nil {
 		return nil, err
 	}
-	_ = apiURL
 	tmpStruct := struct {
-		Success string              `json:"success"`
-		Errors  []string            `json:"errors"`
-		Results []TCGPlayerCategory `json:"results"`
+		TCGPlayerAPIRes
+		Results []*TCGPlayerCategory `json:"results"`
+	}{}
+
+	if limit < 1 {
+		limit = 1
+	}
+	if offset < 0 {
+		offset = 0
+	}
+
+	qsVal := url.Values{}
+	qsVal.Add("limit", strconv.Itoa(limit))
+	qsVal.Add("offset", strconv.Itoa(offset))
+
+	apiURL += fmt.Sprintf("?%s", qsVal.Encode())
+
+	reqObj := RequestObject{
+		Method:  "GET",
+		Headers: p.getHeader(),
+		URL:     apiURL,
+	}
+
+	req, err := GetRequest(reqObj)
+	if err != nil {
+		return nil, err
+	}
+
+	resp, err := http.DefaultClient.Do(req)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	respByte, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return nil, err
+	}
+
+	err = json.Unmarshal(respByte, &tmpStruct)
+	if err != nil {
+		return nil, err
+	}
+
+	if tmpStruct.Success != true {
+		if len(tmpStruct.Errors) > 0 {
+			return nil, errors.New(tmpStruct.Errors[0])
+		}
+		return nil, errors.New("get category fail")
+	}
+
+	return tmpStruct.Results, nil
+}
+
+// TCGPlayerCategoryGroup -
+type TCGPlayerCategoryGroup struct {
+	GroupID      int               `json:"groupId"`
+	Name         string            `json:"name"`
+	Abbreviation string            `json:"abbreviation"`
+	Supplemental bool              `json:"supplemental"`
+	PublishedOn  string            `json:"publishedOn"`
+	ModifiedOn   time.Time         `json:"modifiedOn"`
+	Category     TCGPlayerCategory `json:"category"`
+}
+
+// ListCategoryGroups -
+func (p *TCGPlayer) ListCategoryGroups(categoryID, limit, offset int) (groups []*TCGPlayerCategoryGroup, err error) {
+	apiURL, err := p.getAPIURL(fmt.Sprintf("/catalog/categories/%d", categoryID), true)
+	if err != nil {
+		return nil, err
+	}
+
+	if limit < 1 {
+		limit = 1
+	}
+	if offset < 0 {
+		offset = 0
+	}
+
+	qsVal := url.Values{}
+	qsVal.Add("limit", strconv.Itoa(limit))
+	qsVal.Add("offset", strconv.Itoa(offset))
+	apiURL += fmt.Sprintf("?%s", qsVal.Encode())
+
+	tmpStruct := struct {
+		TCGPlayerAPIRes
+		TotalItems int                       `json:"totalItems"`
+		Results    []*TCGPlayerCategoryGroup `json:"results"`
 	}{}
 	_ = tmpStruct
-	return
+
+	reqObj := RequestObject{
+		Method:  "GET",
+		Headers: p.getHeader(),
+		URL:     apiURL,
+	}
+
+	req, err := GetRequest(reqObj)
+	if err != nil {
+		return nil, err
+	}
+
+	resp, err := http.DefaultClient.Do(req)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	respByte, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return nil, err
+	}
+
+	err = json.Unmarshal(respByte, &tmpStruct)
+	if err != nil {
+		return nil, err
+	}
+
+	if tmpStruct.Success != true {
+		if len(tmpStruct.Errors) > 0 {
+			return nil, errors.New(tmpStruct.Errors[0])
+		}
+		return nil, errors.New("get category groups fail")
+	}
+
+	return tmpStruct.Results, nil
 }

modules/config/config.go

@@ -32,7 +32,7 @@ type Config struct {
 	TCGPlayer struct {
 		PublicKey  string `yaml:"public_key"`
 		PrivateKey string `yaml:"private_key"`
-	}
+	} `yaml:"tcgplayer"`
 }
 
 var conf *Config