// Formatter for the results of both ~dt variants. Not a discord-accessible method.
private async Task DerpiTagsDisplay(DerpiSearch element)
{
// Get "Info" block, made up of the Artists list and Image Rating.
string artists = DerpiHelper.BuildArtistTags(element);
string rating = DerpiHelper.GetImageRating(element.tags);
// Display `~dt` info block and all image tags.
await ReplyAsync($"Info: **{rating}, {artists}**\n\nAll tags: ```{String.Join(", ",element.tags)}```");
}
// Takes a Derpibooru singular search result node and returns a string message to be sent to Discord.
/// <summary>Builds the artist tag section of most Derpibooru results.</summary>
/// <param name="element">A Derpibooru Search Result Element.</param>
/// <param name="artistAsLink">Whether or not to render it as a list of tags, or a list of links.</param>
/// <param name="NSFW">Only valid if "artistAsLink" is true, then we need to flag if we are showing SFW results or not.</param>
/// <returns>A string response consisting of the image element itself, and an artist tags block.</returns>
public static string BuildDiscordResponse(DerpiSearch element, bool artistAsLink = false, bool NSFW = false)
{
// Get the full image URL in the format "//derpicdn.net/img/view/YYYY/M/d/IMAGE_ID.png"
// Prepend the protocol, HTTPS, to the incomplete URL representation.
string results = element.representations.full;
//if its an ~artist command, respond with derpibooru/id link instead of derpicdn one
if (artistAsLink)
{
results = "https://derpibooru.org/" + element.id;
}
// Get the artist block.
string artistBlock = DerpiHelper.BuildArtistTags(element, artistAsLink, NSFW);
// Add a newline in between if there are any results.
if (!String.IsNullOrEmpty(artistBlock))
{
artistBlock = "\n" + artistBlock;
}
return(results + artistBlock);
}
/// <summary>Builds the artist tag section of most Derpibooru results.</summary>
/// <param name="element">A Derpibooru Search Result Element.</param>
/// <param name="artistAsLink">Whether or not to render it as a list of tags, or a list of links.</param>
/// <param name="NSFW">Only valid if "artistAsLink" is true, then we need to flag if we are showing SFW results or not.</param>
/// <returns>A string, either a list of artist names, or a list of URLs to artist tagged works.</returns>
public static string BuildArtistTags(DerpiSearch element, bool artistAsLink = false, bool NSFW = false)
{
string artistResult;
// Get a distilled list of artist tags from the full tag listing.
string[] artistTags = element.tags.ToArray();
artistTags = Array.FindAll(artistTags, tag => tag.Contains("artist:"));
// Safety Suffix ("AND safe") filter.
string safetySuffix = NSFW ? String.Empty : "+AND+safe";
// Parse artist tag response accordingly.
switch (artistTags.Length)
{
case 0:
// Unedited screencaps uploaded have no artist tags.
bool isScreencap = element.tags.Contains("screencap");
artistResult = isScreencap ? String.Empty : "Problem finding artist";
break;
case 1:
artistResult = artistTags[0].TrimStart();
if (artistAsLink)
{
artistResult = $"https://derpibooru.org/search?q={artistResult}{safetySuffix}&filter_id=178065";
}
break;
default:
artistResult = artistAsLink
? String.Join("\n", artistTags.Select(t => $"https://derpibooru.org/search?q={t.Trim()}{safetySuffix}&filter_id=178065"))
: String.Join(' ', artistTags);
break;
}
return(artistResult);
}
// "Master" Derpibooru/~derpi searching method. Not a discord-accessible method.
private async Task DerpiMaster(bool artistAsLink, int Sort, string search)
{
// Broadcasts "User is typing..." message to Discord channel.
await Context.Channel.TriggerTypingAsync();
// Validate that a valid sorting option was chosen.
if (Sort < 0 || Sort >= this.sortingOptions.Length)
{
await ReplyAsync("Invalid sorting option: " + Sort + ". Please try again");
return;
}
// Choose sorting method from the available list.
string sortParam = this.sortingOptions[Sort];
// Set up the base query parameters.
// "q" is our search terms
// "filter_id" is the filter against content banned by Discord TOS.
Dictionary <string, string> queryParams = new Dictionary <string, string>()
{
{ "filter_id", "178065" },
{ "sf", sortParam },
{ "sd", "desc" },
{ "per_page", "50" },
{ "page", "1" },
};
// If the channel is not on the list of NSFW enabled channels do not allow NSFW results.
// the second part checks if the command was executed in DMS, DM channels do not have to be added to the NSFW enabled list.
// In DMs the first check will fail, and so will the second, allowing for nsfw results to be displayed.
bool safeOnly = !DBTransaction.isChannelWhitelisted(Context.Channel.Id) && !Context.IsPrivate;
// Add search to the parameters list, with "AND safe" if it failed the NSFW check.
queryParams.Add("q", safeOnly ? $"{search}+AND+safe" : search);
// Build the full request URL.
string requestUrl = DerpiHelper.BuildDerpiUrl(this.baseURL, queryParams);
// Global.DerpiSearchCache is a dictionary-based cache with the last search result in that channel, if applicable.
// Always stores results globally for other commands like ~next to keep track.
Global.DerpiSearchCache[Context.Channel.Id] = Get.Derpibooru(requestUrl).Result;
// Deserialize (from JSON to DerpibooruResponse.RootObject) the Derpibooru search results.
DerpiRoot DerpiResponse = JsonConvert.DeserializeObject <DerpiRoot>(Global.DerpiSearchCache[Context.Channel.Id]);
// Actual request an. Try-catch to softly catch exceptions.
try {
// Convert Search Array to a List, to use List functionality.
List <DerpiSearch> imageList = DerpiResponse.images;
if (imageList.Count == 0)
{
await ReplyAsync("No results! The tag may be misspelled, or the results could be filtered out due to channel!");
return;
}
// Get random number generator and random entry.
var rng = new Random();
int rand = rng.Next(imageList.Count);
Global.DerpibooruSearchIndex[Context.Channel.Id] = rand + 1;
DerpiSearch randomElement = imageList.ElementAt(rand);
// Add image ID to Global.links.
// TODO: Describe where this is used better?
Global.LastDerpiID[Context.Channel.Id] = randomElement.id.ToString();
RestUserMessage msg = await Context.Channel.SendMessageAsync(
DerpiHelper.BuildDiscordResponse(randomElement, artistAsLink, !safeOnly)
);
await msg.AddReactionAsync(new Emoji("▶"));
//set random info for running ~enext through emoji reactions.
Global.derpiContext[Context.Channel.Id] = Context;
Global.derpiMessageToTrack[Context.Channel.Id] = msg.Id;
} catch {
await ReplyAsync("Sorry! Something went wrong, your search terms are probably incorrect.");
return;
}
}