Render feed from episode (#9)
- Render chapter if present (#5) - Render transcript if present (#8) - Require transcript type if URL entered (#8)
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@ -235,12 +235,14 @@ type SQLiteWebLogData (conn : SqliteConnection) =
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cmd.CommandText <-
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$"""DELETE FROM post_comment WHERE post_id IN {postSubQuery};
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DELETE FROM post_revision WHERE post_id IN {postSubQuery};
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DELETE FROM post_permalink WHERE post_id IN {postSubQuery};
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DELETE FROM post_episode WHERE post_id IN {postSubQuery};
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DELETE FROM post_tag WHERE post_id IN {postSubQuery};
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DELETE FROM post_category WHERE post_id IN {postSubQuery};
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DELETE FROM post_meta WHERE post_id IN {postSubQuery};
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DELETE FROM post WHERE web_log_id = @webLogId;
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DELETE FROM page_revision WHERE page_id IN {pageSubQuery};
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DELETE FROM page_permalink WHERE page_id IN {pageSubQuery};
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DELETE FROM page_meta WHERE page_id IN {pageSubQuery};
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DELETE FROM page WHERE web_log_id = @webLogId;
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DELETE FROM category WHERE web_log_id = @webLogId;
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@ -76,6 +76,9 @@ module private Namespace =
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/// iTunes elements
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let iTunes = "http://www.itunes.com/dtds/podcast-1.0.dtd"
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/// Podcast Index (AKA "podcasting 2.0")
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let podcast = "https://podcastindex.org/namespace/1.0"
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/// Enables chapters
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let psc = "http://podlove.org/simple-chapters/"
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@ -127,36 +130,23 @@ let private toFeedItem webLog (authors : MetaItem list) (cats : DisplayCategory[
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item
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/// Add episode information to a podcast feed item
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let private addEpisode webLog (feed : CustomFeed) (post : Post) (item : SyndicationItem) =
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let podcast = Option.get feed.podcast
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let meta name = post.metadata |> List.tryFind (fun it -> it.name = name)
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let value (item : MetaItem) = item.value
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let private addEpisode webLog (podcast : PodcastOptions) (episode : Episode) (post : Post) (item : SyndicationItem) =
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// Convert non-absolute URLs to an absolute URL for this web log
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let toAbsolute (link : string) = if link.StartsWith "http" then link else WebLog.absoluteUrl webLog (Permalink link)
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let epMediaUrl =
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match (meta >> Option.get >> value) "episode_media_file" with
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match episode.media with
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| link when link.StartsWith "http" -> link
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| link when Option.isSome podcast.mediaBaseUrl -> $"{podcast.mediaBaseUrl.Value}{link}"
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| link -> WebLog.absoluteUrl webLog (Permalink link)
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let epMediaType =
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match meta "episode_media_type", podcast.defaultMediaType with
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| Some epType, _ -> Some epType.value
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| None, Some defType -> Some defType
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| _ -> None
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let epImageUrl =
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match defaultArg ((meta >> Option.map value) "episode_image") (Permalink.toString podcast.imageUrl) with
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| link when link.StartsWith "http" -> link
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| link -> WebLog.absoluteUrl webLog (Permalink link)
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let epExplicit =
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try
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(meta >> Option.map (value >> ExplicitRating.parse)) "episode_explicit"
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|> Option.defaultValue podcast.explicit
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|> ExplicitRating.toString
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with :? ArgumentException -> ExplicitRating.toString podcast.explicit
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let epMediaType = [ episode.mediaType; podcast.defaultMediaType ] |> List.tryFind Option.isSome |> Option.flatten
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let epImageUrl = defaultArg episode.imageUrl (Permalink.toString podcast.imageUrl) |> toAbsolute
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let epExplicit = defaultArg episode.explicit podcast.explicit |> ExplicitRating.toString
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let xmlDoc = XmlDocument ()
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let enclosure =
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let it = xmlDoc.CreateElement "enclosure"
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it.SetAttribute ("url", epMediaUrl)
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meta "episode_media_length" |> Option.iter (fun len -> it.SetAttribute ("length", len.value))
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it.SetAttribute ("length", string episode.length)
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epMediaType |> Option.iter (fun typ -> it.SetAttribute ("type", typ))
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it
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let image =
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@ -169,10 +159,57 @@ let private addEpisode webLog (feed : CustomFeed) (post : Post) (item : Syndicat
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item.ElementExtensions.Add ("creator", Namespace.dc, podcast.displayedAuthor)
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item.ElementExtensions.Add ("author", Namespace.iTunes, podcast.displayedAuthor)
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item.ElementExtensions.Add ("explicit", Namespace.iTunes, epExplicit)
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meta "episode_subtitle"
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|> Option.iter (fun it -> item.ElementExtensions.Add ("subtitle", Namespace.iTunes, it.value))
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meta "episode_duration"
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|> Option.iter (fun it -> item.ElementExtensions.Add ("duration", Namespace.iTunes, it.value))
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episode.subtitle |> Option.iter (fun it -> item.ElementExtensions.Add ("subtitle", Namespace.iTunes, it))
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episode.duration
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|> Option.iter (fun it -> item.ElementExtensions.Add ("duration", Namespace.iTunes, it.ToString """hh\:mm\:ss"""))
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match episode.chapterFile with
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| Some chapters ->
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let url = toAbsolute chapters
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let typ =
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match episode.chapterType with
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| Some mime -> Some mime
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| None when chapters.EndsWith ".json" -> Some "application/json+chapters"
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| None -> None
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let elt = xmlDoc.CreateElement ("podcast", "chapters", Namespace.podcast)
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elt.SetAttribute ("url", url)
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typ |> Option.iter (fun it -> elt.SetAttribute ("type", it))
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item.ElementExtensions.Add elt
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| None -> ()
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match episode.transcriptUrl with
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| Some transcript ->
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let url = toAbsolute transcript
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let elt = xmlDoc.CreateElement ("podcast", "transcript", Namespace.podcast)
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elt.SetAttribute ("url", url)
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elt.SetAttribute ("type", Option.get episode.transcriptType)
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episode.transcriptLang |> Option.iter (fun it -> elt.SetAttribute ("language", it))
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if defaultArg episode.transcriptCaptions false then
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elt.SetAttribute ("rel", "captions")
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item.ElementExtensions.Add elt
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| None -> ()
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match episode.seasonNumber with
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| Some season ->
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match episode.seasonDescription with
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| Some desc ->
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let elt = xmlDoc.CreateElement ("podcast", "season", Namespace.podcast)
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elt.SetAttribute ("name", desc)
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elt.InnerText <- string season
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item.ElementExtensions.Add elt
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| None -> item.ElementExtensions.Add ("season", Namespace.podcast, string season)
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| None -> ()
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match episode.episodeNumber with
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| Some epNumber ->
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match episode.episodeDescription with
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| Some desc ->
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let elt = xmlDoc.CreateElement ("podcast", "episode", Namespace.podcast)
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elt.SetAttribute ("name", desc)
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elt.InnerText <- string epNumber
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item.ElementExtensions.Add elt
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| None -> item.ElementExtensions.Add ("episode", Namespace.podcast, string epNumber)
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| None -> ()
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if post.metadata |> List.exists (fun it -> it.name = "chapter") then
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try
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@ -216,7 +253,12 @@ let private addPodcast webLog (rssFeed : SyndicationFeed) (feed : CustomFeed) =
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let xmlDoc = XmlDocument ()
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[ "dc", Namespace.dc; "itunes", Namespace.iTunes; "psc", Namespace.psc; "rawvoice", Namespace.rawVoice ]
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[ "dc", Namespace.dc
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"itunes", Namespace.iTunes
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"podcast", Namespace.podcast
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"psc", Namespace.psc
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"rawvoice", Namespace.rawVoice
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]
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|> List.iter (fun (alias, nsUrl) -> addNamespace rssFeed alias nsUrl)
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let categorization =
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@ -314,10 +356,9 @@ let createFeed (feedType : FeedType) posts : HttpHandler = fun next ctx -> backg
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let toItem post =
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let item = toFeedItem webLog authors cats tagMaps post
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match podcast with
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| Some feed when post.metadata |> List.exists (fun it -> it.name = "episode_media_file") ->
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addEpisode webLog feed post item
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| Some _ ->
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match podcast, post.episode with
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| Some feed, Some episode -> addEpisode webLog (Option.get feed.podcast) episode post item
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| Some _, _ ->
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warn "Feed" ctx $"[{webLog.name} {Permalink.toString self}] \"{stripHtml post.title}\" has no media"
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item
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| _ -> item
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@ -157,7 +157,8 @@
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<div class="col-12 col-md-8 pb-3">
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<div class="form-floating">
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<input type="text" name="transcriptUrl" id="transcriptUrl" class="form-control"
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placeholder="Transcript URL" value="{{ model.transcript_url }}">
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placeholder="Transcript URL" value="{{ model.transcript_url }}"
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onkeyup="Admin.requireTranscriptType()">
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<label for="transcriptUrl">Transcript URL</label>
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<div class="form-text">Optional; relative URL served from this web log</div>
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</div>
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@ -165,7 +166,8 @@
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<div class="col-12 col-md-4 pb-3">
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<div class="form-floating">
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<input type="text" name="transcriptType" id="transcriptType" class="form-control"
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placeholder="Transcript Type" value="{{ model.transcript_type }}">
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placeholder="Transcript Type" value="{{ model.transcript_type }}"
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{%- if model.transcript_url != "" %} required{% endif %}>
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<label for="transcriptType">Transcript MIME Type</label>
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<div class="form-text">Recommended if transcript file provided</div>
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</div>
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@ -255,6 +255,13 @@
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document.getElementById(`link_${idx}`).remove()
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},
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/**
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* Require transcript type if transcript URL is present
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*/
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requireTranscriptType() {
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document.getElementById("transcriptType").required = document.getElementById("transcriptUrl").value.trim() !== ""
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},
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/**
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* Show messages that may have come with an htmx response
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* @param messages The messages from the response
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