147 lines
3 KiB
Go
147 lines
3 KiB
Go
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package main
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import (
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"encoding/json"
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"fmt"
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"golang.org/x/net/html"
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"io"
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"net/http"
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"regexp"
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)
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type SteamStruct struct {
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url string
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baseUrl string
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apiUrl string
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idPrefix string
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deals DealsMap
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}
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func newSteamApi() SteamStruct {
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return SteamStruct{
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url: "https://store.steampowered.com/search/results?force_infinite=1&maxprice=free&specials=1",
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baseUrl: "https://store.steampowered.com/app/",
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apiUrl: "https://store.steampowered.com/api/appdetails?appids=",
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idPrefix: "steam-",
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deals: make(map[string]Deal),
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}
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}
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type steamApiBodyGame struct {
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Success bool `json:"success"`
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Data struct {
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Type string `json:"type"`
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Name string `json:"name"`
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IsFree bool `json:"is_free"`
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PriceOverview struct {
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Currency string `json:"currency"`
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Initial int `json:"initial"`
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Final int `json:"final"`
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DiscountPercent int `json:"discount_percent"`
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InitialFormatted string `json:"initial_formatted"`
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FinalFormatted string `json:"final_formatted"`
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} `json:"price_overview"`
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Platforms struct {
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Windows bool `json:"windows"`
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Mac bool `json:"mac"`
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Linux bool `json:"linux"`
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} `json:"platforms"`
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} `json:"data"`
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}
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type steamApiBody map[string]steamApiBodyGame
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func (e SteamStruct) load() error {
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client := &http.Client{}
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reqStore, err := http.NewRequest("GET", e.url, nil)
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if err != nil {
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return err
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}
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resStore, err := client.Do(reqStore)
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if err != nil {
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return err
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}
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bodyStore := html.NewTokenizer(resStore.Body)
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// could also search over each #search_resultsRows element instead of regex
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regexAppid, err := regexp.Compile(`https://store\.steampowered\.com/app/(\d+)`)
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if err != nil {
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return err
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}
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var appIDs []string
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func() {
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for {
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tt := bodyStore.Next()
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switch {
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case tt == html.ErrorToken:
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// file end or error
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return
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case tt == html.StartTagToken:
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t := bodyStore.Token()
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if t.Data != "a" {
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continue
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}
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for _, a := range t.Attr {
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if a.Key != "href" {
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continue
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}
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appID := regexAppid.FindStringSubmatch(a.Val)
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if len(appID) < 1 {
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continue
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}
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appIDs = append(appIDs, appID[1])
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}
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}
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}
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}()
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for _, appID := range appIDs {
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reqApi, err := http.NewRequest("GET", fmt.Sprintf("%v%v", e.apiUrl, appID), nil)
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if err != nil {
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return err
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}
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resApi, err := client.Do(reqApi)
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if err != nil {
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return err
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}
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bodyApi, err := io.ReadAll(resApi.Body)
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if err != nil {
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return err
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}
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var data steamApiBody
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err = json.Unmarshal(bodyApi, &data)
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if err != nil {
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return err
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}
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if game, ok := data[appID]; ok {
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if game.Data.Type != "game" {
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continue
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}
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id := fmt.Sprintf("%v%v", e.idPrefix, appID)
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title := game.Data.Name
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url := fmt.Sprintf("%v%v", e.baseUrl, appID)
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e.deals[id] = Deal{
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Id: id,
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Title: title,
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Url: url,
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}
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}
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}
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return nil
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}
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func (e SteamStruct) get() []Deal {
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var deals []Deal
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for _, deal := range e.deals {
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deals = append(deals, deal)
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}
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return deals
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}
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