77 lines
2.1 KiB
Go
77 lines
2.1 KiB
Go
package fa
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import (
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"context"
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"iter"
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"github.com/PuerkitoBio/goquery"
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"git.anthrove.art/public/go-fa-api/internal/urls"
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)
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// Gallery iterates the submissions in a user's main gallery, newest first.
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//
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// Each yielded *Submission carries only the fields visible on the listing
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// page: ID, Title, Author (for favorites), ThumbURL, and Rating. Call
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// [Client.GetSubmission] with the ID to load the full record.
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func (c *Client) Gallery(ctx context.Context, name string, opts ListOptions) iter.Seq2[*Submission, error] {
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return c.listGallerySection(ctx, name, urls.Gallery, opts)
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}
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// Scraps iterates the user's scraps folder. Same yield shape as Gallery.
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func (c *Client) Scraps(ctx context.Context, name string, opts ListOptions) iter.Seq2[*Submission, error] {
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return c.listGallerySection(ctx, name, urls.Scraps, opts)
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}
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// Favorites iterates the user's favorited submissions. The yielded
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// *Submission's Author field reflects the original artist (not the user
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// whose favorites we are walking).
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func (c *Client) Favorites(ctx context.Context, name string, opts ListOptions) iter.Seq2[*Submission, error] {
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return c.listGallerySection(ctx, name, urls.Favorites, opts)
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}
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// listGallerySection is the shared engine for Gallery / Scraps / Favorites.
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// urlFn picks the section-specific URL builder; the rest of the pagination
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// machinery is identical across all three sections.
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func (c *Client) listGallerySection(
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ctx context.Context,
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name string,
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urlFn func(string, int) string,
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opts ListOptions,
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) iter.Seq2[*Submission, error] {
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return func(yield func(*Submission, error) bool) {
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page := opts.firstPage()
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pagesFetched := 0
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for {
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if opts.reachedLimit(pagesFetched) {
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return
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}
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var (
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items []*Submission
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hasNext bool
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)
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err := c.fetch(ctx, urlFn(name, page), func(doc *goquery.Document) error {
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items, hasNext = parseGalleryPage(doc, c.cfg.jsonListings)
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return nil
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})
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if err != nil {
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yield(nil, err)
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return
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}
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pagesFetched++
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if len(items) == 0 {
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return
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}
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for _, s := range items {
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if !yield(s, nil) {
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return
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}
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}
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if !hasNext {
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return
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}
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page++
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}
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}
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}
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