87 lines
2.2 KiB
Go
87 lines
2.2 KiB
Go
package scraper
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import (
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"time"
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"strings"
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"strconv"
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"net/url"
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)
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type PollID int64
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type Poll struct {
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ID PollID
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TweetID TweetID
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NumChoices int
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Choice1 string
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Choice1_Votes int
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Choice2 string
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Choice2_Votes int
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Choice3 string
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Choice3_Votes int
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Choice4 string
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Choice4_Votes int
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VotingDuration int // In seconds
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VotingEndsAt time.Time
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LastUpdatedAt time.Time
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}
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func ParseAPIPoll(apiCard APICard) Poll {
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card_url, err := url.Parse(apiCard.ShortenedUrl)
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if err != nil {
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panic(err)
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}
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id := int_or_panic(card_url.Hostname())
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voting_ends_at, err := time.Parse(time.RFC3339, apiCard.BindingValues.EndDatetimeUTC.StringValue)
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if err != nil {
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panic(err)
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}
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last_updated_at, err := time.Parse(time.RFC3339, apiCard.BindingValues.LastUpdatedAt.StringValue)
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if err != nil {
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panic(err)
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}
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ret := Poll{}
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ret.ID = PollID(id)
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ret.NumChoices = parse_num_choices(apiCard.Name)
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ret.VotingDuration = int_or_panic(apiCard.BindingValues.DurationMinutes.StringValue) * 60
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ret.VotingEndsAt = voting_ends_at
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ret.LastUpdatedAt = last_updated_at
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ret.Choice1 = apiCard.BindingValues.Choice1.StringValue
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ret.Choice1_Votes = int_or_panic(apiCard.BindingValues.Choice1_Count.StringValue)
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ret.Choice2 = apiCard.BindingValues.Choice2.StringValue
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ret.Choice2_Votes = int_or_panic(apiCard.BindingValues.Choice2_Count.StringValue)
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if ret.NumChoices > 2 {
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ret.Choice3 = apiCard.BindingValues.Choice3.StringValue
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ret.Choice3_Votes = int_or_panic(apiCard.BindingValues.Choice3_Count.StringValue)
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}
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if ret.NumChoices > 3 {
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ret.Choice4 = apiCard.BindingValues.Choice4.StringValue
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ret.Choice4_Votes = int_or_panic(apiCard.BindingValues.Choice4_Count.StringValue)
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}
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return ret
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}
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func parse_num_choices(card_name string) int {
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if strings.Index(card_name, "poll") != 0 || strings.Index(card_name, "choice") != 5 {
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panic("Not valid card name: " + card_name)
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}
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return int_or_panic(card_name[4:5])
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}
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func int_or_panic(s string) int {
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result, err := strconv.Atoi(s)
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if err != nil {
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panic(err)
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}
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return result
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}
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