80 lines
3.5 KiB
Go
80 lines
3.5 KiB
Go
package growth
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import (
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"fmt"
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"slices"
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"strings"
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"time"
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)
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const officialCalendarSource = "https://calendar.ut.ac.ir/"
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const curatedCommercialSource = "CURATED_COMMERCIAL_1405_V1"
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var importedMerchantCategories = []string{
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"ارائه دهنده خدمات اینترنت",
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"مراکز آموزشی مجازی",
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"کیف و کفش فروشی",
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"خدمات شبکه‌های کامپیوتری و اینترنت",
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"فروشگاه لوازم آرایشی و بهداشتی",
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}
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// Catalog1405 returns a defensive copy of the reviewed initial catalog. Dates are
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// Gregorian Tehran-local calendar dates and cover the imported 1405 history plus
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// the first 90 forecast days after 2026-06-30.
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func Catalog1405() []Event {
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events := []Event{
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catalogEvent("nowruz-1405", "نوروز", "2026-03-21", "2026-03-24", "new-year", EventOfficial, []string{"هدیه", "خرید", "سال-نو"}),
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catalogEvent("nature-day-1405", "روز طبیعت", "2026-04-02", "2026-04-02", "leisure", EventOfficial, []string{"تفریح", "خرید"}),
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catalogEvent("teachers-day-1405", "روز معلم", "2026-05-02", "2026-05-02", "appreciation", EventOfficial, []string{"هدیه", "آموزش", "قدردانی"}),
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catalogEvent("khordad-15-1405", "قیام پانزده خرداد", "2026-06-05", "2026-06-05", "official-holiday", EventOfficial, []string{"تعطیل"}),
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catalogEvent("doctors-day-1405", "روز پزشک", "2026-08-23", "2026-08-23", "appreciation", EventOfficial, []string{"هدیه", "قدردانی", "حرفه‌ای"}),
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catalogEvent("back-to-school-1405", "آمادگی بازگشایی مدارس", "2026-09-10", "2026-09-22", "education-season", EventCommercial, []string{"آموزش", "خرید", "مدرسه"}),
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}
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result := make([]Event, len(events))
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for index, event := range events {
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result[index] = event
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result[index].Tags = slices.Clone(event.Tags)
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result[index].Categories = slices.Clone(event.Categories)
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}
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return result
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}
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func catalogEvent(id, title, start, end, family string, kind EventKind, tags []string) Event {
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source := officialCalendarSource
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if kind == EventCommercial {
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source = curatedCommercialSource
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}
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return Event{ID: id, TitleFA: title, StartDate: mustCatalogDate(start), EndDate: mustCatalogDate(end), Family: family, Tags: slices.Clone(tags), Source: source, Categories: slices.Clone(importedMerchantCategories), Kind: kind}
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}
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func ValidateCatalog(events []Event) error {
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seen := make(map[string]struct{}, len(events))
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for index, event := range events {
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if strings.TrimSpace(event.ID) == "" || strings.TrimSpace(event.TitleFA) == "" || strings.TrimSpace(event.Family) == "" || strings.TrimSpace(event.Source) == "" {
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return fmt.Errorf("growth catalog event %d is incomplete", index)
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}
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if _, exists := seen[event.ID]; exists {
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return fmt.Errorf("growth catalog contains duplicate id %q", event.ID)
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}
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seen[event.ID] = struct{}{}
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if event.StartDate.IsZero() || event.EndDate.Before(event.StartDate) {
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return fmt.Errorf("growth catalog event %q has invalid date range", event.ID)
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}
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if event.Kind != EventOfficial && event.Kind != EventCommercial {
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return fmt.Errorf("growth catalog event %q has invalid kind", event.ID)
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}
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if len(normalizedSet(event.Tags)) == 0 || len(event.Categories) == 0 {
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return fmt.Errorf("growth catalog event %q lacks tags or supported categories", event.ID)
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}
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}
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return nil
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}
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func mustCatalogDate(value string) time.Time {
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parsed, err := time.Parse(time.DateOnly, value)
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if err != nil {
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panic("invalid reviewed event catalog date: " + value)
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}
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return parsed
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}
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