From d9116bd978d4dcd41f26dee278f582f6fb95c420 Mon Sep 17 00:00:00 2001
From: John Andrews <john@reven.co.nz>
Date: Sun, 7 Apr 2024 10:48:05 +1200
Subject: [PATCH] FF-1475 - added new video duration flow element

---
 VideoNodes/LogicalNodes/VideoDuration.cs | 138 +++++++++++++++++++++++
 VideoNodes/i18n/en.json                  |  12 ++
 2 files changed, 150 insertions(+)
 create mode 100644 VideoNodes/LogicalNodes/VideoDuration.cs

diff --git a/VideoNodes/LogicalNodes/VideoDuration.cs b/VideoNodes/LogicalNodes/VideoDuration.cs
new file mode 100644
index 00000000..819008c5
--- /dev/null
+++ b/VideoNodes/LogicalNodes/VideoDuration.cs
@@ -0,0 +1,138 @@
+using FileFlows.VideoNodes.FfmpegBuilderNodes;
+using FileFlows.VideoNodes.FfmpegBuilderNodes.Models;
+using FileFlows.VideoNodes.Helpers;
+
+namespace FileFlows.VideoNodes;
+
+/// <summary>
+/// Flow element to test if a video duration matches the parameters
+/// </summary>
+public class VideoDuration : VideoNode
+{
+    /// <summary>
+    /// Gets the number of inputs
+    /// </summary>
+    public override int Inputs => 1;
+    /// <summary>
+    /// Gets the number of outputs
+    /// </summary>
+    public override int Outputs => 2;
+    /// <summary>
+    /// Gets the type of flow element
+    /// </summary>
+    public override FlowElementType Type => FlowElementType.Logic;
+    /// <summary>
+    /// Gets the help URL 
+    /// </summary>
+    public override string HelpUrl => "https://fileflows.com/docs/plugins/video-nodes/logical-nodes/video-duration";
+
+
+    internal const string MATCH_GREATER_THAN = ">";
+    internal const string MATCH_LESS_THAN = "<";
+    internal const string MATCH_EQUALS = "=";
+    internal const string MATCH_NOT_EQUALS = "!=";
+    internal const string MATCH_GREATER_THAN_OR_EQUAL = ">=";
+    internal const string MATCH_LESS_THAN_OR_EQUAL = "<=";
+    internal const string MATCH_BETWEEN = "||";
+    internal const string MATCH_NOT_BETWEEN = "^|";
+    /// <summary>
+    /// Gets or sets the method to match
+    /// </summary>
+    [Select(nameof(MatchOptions), 1)]
+    [DefaultValue(MATCH_LESS_THAN)]
+    public string Match { get; set; }
+
+    private static List<ListOption> _MatchOptions;
+
+    /// <summary>
+    /// Gets the match options
+    /// </summary>
+    public static List<ListOption> MatchOptions
+    {
+        get
+        {
+            if (_MatchOptions == null)
+            {
+                _MatchOptions = new List<ListOption>
+                {
+                    new () { Label = "Equals", Value = MATCH_EQUALS},
+                    new () { Label = "Not Equals", Value = MATCH_NOT_EQUALS},
+                    new () { Label = "Less Than", Value = MATCH_LESS_THAN},
+                    new () { Label = "Less Than Or Equal", Value = MATCH_LESS_THAN_OR_EQUAL},
+                    new () { Label = "Greater Than", Value = MATCH_GREATER_THAN},
+                    new () { Label = "Greater Than Or Equal", Value = MATCH_GREATER_THAN_OR_EQUAL},
+                    new () { Label = "Between", Value = MATCH_BETWEEN},
+                    new () { Label = "Not Between", Value = MATCH_NOT_BETWEEN},
+                };
+            }
+
+            return _MatchOptions;
+        }
+    }
+
+    /// <summary>
+    /// Gets or sets the first value to match against
+    /// </summary>
+    [Time(2)]
+    public TimeSpan ValueLow { get; set; }
+    /// <summary>
+    /// Gets or sets the second value to match against
+    /// </summary>
+    [Time(3)]
+    [ConditionEquals(nameof(Match), @"/\|/")]
+    public TimeSpan ValueHigh { get; set; }
+
+    /// <summary>
+    /// Executes the flow element
+    /// </summary>
+    /// <param name="args">the arguments</param>
+    /// <returns>the output to call next</returns>
+    public override int Execute(NodeParameters args)
+    {
+        var video = GetVideoInfo(args)?.VideoStreams?.FirstOrDefault();
+        if (video == null)
+        {
+            args.FailureReason = "Failed to retrieve video info";
+            args.Logger?.ELog(args.FailureReason);
+            return -1;
+        }
+
+        int seconds = (int)Math.Round(video.Duration.TotalSeconds);
+        args.Logger?.ILog("Total Seconds: " + seconds);
+        args.Logger?.ILog("Match Method: " + Match);
+        int val1 = (int)ValueLow.TotalSeconds;
+        int val2 = (int)ValueHigh.TotalSeconds;
+
+        switch (Match)
+        {
+            case MATCH_EQUALS:
+                args.Logger?.ILog("Match Value: " + val1);
+                return seconds == val1 ? 1 : 2;
+            case MATCH_NOT_EQUALS:
+                args.Logger?.ILog("Match Value: " + val1);
+                return seconds != val1 ? 1 : 2;
+            case MATCH_LESS_THAN:
+                args.Logger?.ILog("Match Value: " + val1);
+                return seconds < val1 ? 1 : 2;
+            case MATCH_LESS_THAN_OR_EQUAL:
+                args.Logger?.ILog("Match Value: " + val1);
+                return seconds <= val1 ? 1 : 2;
+            case MATCH_GREATER_THAN:
+                args.Logger?.ILog("Match Value: " + val1);
+                return seconds > val1 ? 1 : 2;
+            case MATCH_GREATER_THAN_OR_EQUAL:
+                args.Logger?.ILog("Match Value: " + val1);
+                return seconds >= val1 ? 1 : 2;
+            case MATCH_BETWEEN:
+                args.Logger?.ILog("Between: " + val1);
+                args.Logger?.ILog("And: " + val2);
+                return seconds >= val1 && seconds <= val2  ? 1 : 2;
+            case MATCH_NOT_BETWEEN:
+                args.Logger?.ILog("Not Between: " + val1);
+                args.Logger?.ILog("And: " + val2);
+                return seconds >= val1 && seconds <= val2 ? 2 : 1;
+        }
+        args.Logger?.ELog("Invalid match");
+        return 2;
+    }
+}
diff --git a/VideoNodes/i18n/en.json b/VideoNodes/i18n/en.json
index b06887fa..a1640db8 100644
--- a/VideoNodes/i18n/en.json
+++ b/VideoNodes/i18n/en.json
@@ -87,6 +87,18 @@
           "ProbeSize-Help": "The probe size to use in FFMPEG when executing."
         }
       },
+      "VideoDuration": {
+        "Description": "Tests whether or not the duration of the video matches the given parameters.",
+        "Outputs": {
+          "1": "Video duration matches",
+          "2": "Video duration does not match"
+        },
+        "Fields": {
+          "Match": "Match",
+          "ValueLow": "Duration",
+          "ValueHigh": " "
+        }
+      },
       "FfmpegBuilderStart": {
         "Label": "FFMPEG Builder: Start",
         "Outputs": {