From cd7e4f9186f2ace4416780a7dd6341e01e23a45f Mon Sep 17 00:00:00 2001
From: Paul Martin <paul@paulsputer.com>
Date: Wed, 06 Apr 2016 14:46:58 -0400
Subject: [PATCH] Fix for #962 - Delete patchset ability

---
 src/main/java/com/gitblit/models/TicketModel.java |  210 +++++++++++++++++++++++++++++++++++++++++++++++++--
 1 files changed, 199 insertions(+), 11 deletions(-)

diff --git a/src/main/java/com/gitblit/models/TicketModel.java b/src/main/java/com/gitblit/models/TicketModel.java
index 1ff55dd..7495448 100644
--- a/src/main/java/com/gitblit/models/TicketModel.java
+++ b/src/main/java/com/gitblit/models/TicketModel.java
@@ -35,6 +35,7 @@
 import java.util.LinkedHashSet;
 import java.util.List;
 import java.util.Map;
+import java.util.NoSuchElementException;
 import java.util.Set;
 import java.util.TreeSet;
 import java.util.regex.Matcher;
@@ -90,6 +91,10 @@
 
 	public Integer deletions;
 
+	public Priority priority;
+	
+	public Severity severity;
+	
 	/**
 	 * Builds an effective ticket from the collection of changes.  A change may
 	 * Add or Subtract information from a ticket, but the collection of changes
@@ -102,6 +107,30 @@
 		TicketModel ticket;
 		List<Change> effectiveChanges = new ArrayList<Change>();
 		Map<String, Change> comments = new HashMap<String, Change>();
+		Map<Integer, Integer> latestRevisions = new HashMap<Integer, Integer>();
+		
+		int latestPatchsetNumber = -1;
+		
+		List<Integer> deletedPatchsets = new ArrayList<Integer>();
+		
+		for (Change change : changes) {
+			if (change.patchset != null) {
+				if (change.patchset.isDeleted()) {
+					deletedPatchsets.add(change.patchset.number);
+				} else {
+					Integer latestRev = latestRevisions.get(change.patchset.number);
+					
+					if (latestRev == null || change.patchset.rev > latestRev) {
+						latestRevisions.put(change.patchset.number, change.patchset.rev);
+					}
+					
+					if (change.patchset.number > latestPatchsetNumber) {
+						latestPatchsetNumber = change.patchset.number;
+					}	
+				}
+			}
+		}
+		
 		for (Change change : changes) {
 			if (change.comment != null) {
 				if (comments.containsKey(change.comment.id)) {
@@ -116,6 +145,19 @@
 				} else {
 					effectiveChanges.add(change);
 					comments.put(change.comment.id, change);
+				}
+			} else if (change.patchset != null) {
+				//All revisions of a deleted patchset are not displayed
+				if (!deletedPatchsets.contains(change.patchset.number)) {
+					
+					Integer latestRev = latestRevisions.get(change.patchset.number);
+					
+					if (    (change.patchset.number < latestPatchsetNumber) 
+						 && (change.patchset.rev == latestRev)) {
+						change.patchset.canDelete = true;
+					}
+					
+					effectiveChanges.add(change);
 				}
 			} else {
 				effectiveChanges.add(change);
@@ -140,6 +182,8 @@
 		changes = new ArrayList<Change>();
 		status = Status.New;
 		type = Type.defaultType;
+		priority = Priority.defaultPriority;
+		severity = Severity.defaultSeverity;
 	}
 
 	public boolean isOpen() {
@@ -516,6 +560,12 @@
 				case mergeSha:
 					mergeSha = toString(value);
 					break;
+				case priority:
+					priority = TicketModel.Priority.fromObject(value, priority);
+					break;
+				case severity:
+					severity = TicketModel.Severity.fromObject(value, severity);
+					break;
 				default:
 					// unknown
 					break;
@@ -636,7 +686,7 @@
 		}
 
 		public boolean hasComment() {
-			return comment != null && !comment.isDeleted();
+			return comment != null && !comment.isDeleted() && comment.text != null;
 		}
 
 		public Comment comment(String text) {
@@ -785,7 +835,21 @@
 			for (String item : items) {
 				list.add(prefix + item);
 			}
-			setField(field, join(list, ","));
+			if (hasField(field)) {
+				String flat = getString(field);
+				if (isEmpty(flat)) {
+					// field is empty, use this list
+					setField(field, join(list, ","));
+				} else {
+					// merge this list into the existing field list
+					Set<String> set = new TreeSet<String>(Arrays.asList(flat.split(",")));
+					set.addAll(list);
+					setField(field, join(set, ","));
+				}
+			} else {
+				// does not have a list for this field
+				setField(field, join(list, ","));
+			}
 		}
 
 		public String getId() {
@@ -1006,8 +1070,14 @@
 		public int added;
 		public PatchsetType type;
 
+		public transient boolean canDelete = false;
+
 		public boolean isFF() {
 			return PatchsetType.FastForward == type;
+		}
+
+		public boolean isDeleted() {
+			return PatchsetType.Delete == type;
 		}
 
 		@Override
@@ -1138,7 +1208,8 @@
 	}
 
 	public static enum Score {
-		approved(2), looks_good(1), not_reviewed(0), needs_improvement(-1), vetoed(-2);
+		approved(2), looks_good(1), not_reviewed(0), needs_improvement(-1), vetoed(
+				-2);
 
 		final int value;
 
@@ -1154,20 +1225,29 @@
 		public String toString() {
 			return name().toLowerCase().replace('_', ' ');
 		}
+
+		public static Score fromScore(int score) {
+			for (Score s : values()) {
+				if (s.getValue() == score) {
+					return s;
+				}
+			}
+			throw new NoSuchElementException(String.valueOf(score));
+		}
 	}
 
 	public static enum Field {
 		title, body, responsible, type, status, milestone, mergeSha, mergeTo,
-		topic, labels, watchers, reviewers, voters, mentions;
+		topic, labels, watchers, reviewers, voters, mentions, priority, severity;
 	}
 
 	public static enum Type {
-		Enhancement, Task, Bug, Proposal, Question;
+		Enhancement, Task, Bug, Proposal, Question, Maintenance;
 
 		public static Type defaultType = Task;
 
 		public static Type [] choices() {
-			return new Type [] { Enhancement, Task, Bug, Question };
+			return new Type [] { Enhancement, Task, Bug, Question, Maintenance };
 		}
 
 		@Override
@@ -1201,13 +1281,15 @@
 	}
 
 	public static enum Status {
-		New, Open, Resolved, Fixed, Merged, Wontfix, Declined, Duplicate, Invalid, On_Hold;
+		New, Open, Closed, Resolved, Fixed, Merged, Wontfix, Declined, Duplicate, Invalid, Abandoned, On_Hold, No_Change_Required;
 
-		public static Status [] requestWorkflow = { Open, Resolved, Declined, Duplicate, Invalid, On_Hold };
+		public static Status [] requestWorkflow = { Open, Resolved, Declined, Duplicate, Invalid, Abandoned, On_Hold, No_Change_Required };
 
-		public static Status [] bugWorkflow = { Open, Fixed, Wontfix, Duplicate, Invalid, On_Hold };
+		public static Status [] bugWorkflow = { Open, Fixed, Wontfix, Duplicate, Invalid, Abandoned, On_Hold, No_Change_Required };
 
-		public static Status [] proposalWorkflow = { Open, Declined, On_Hold};
+		public static Status [] proposalWorkflow = { Open, Resolved, Declined, Abandoned, On_Hold, No_Change_Required };
+
+		public static Status [] milestoneWorkflow = { Open, Closed, Abandoned, On_Hold };
 
 		@Override
 		public String toString() {
@@ -1248,7 +1330,7 @@
 	}
 
 	public static enum PatchsetType {
-		Proposal, FastForward, Rebase, Squash, Rebase_Squash, Amend;
+		Proposal, FastForward, Rebase, Squash, Rebase_Squash, Amend, Delete;
 
 		public boolean isRewrite() {
 			return (this != FastForward) && (this != Proposal);
@@ -1283,4 +1365,110 @@
 			return null;
 		}
 	}
+
+	public static enum Priority {
+		Low(-1), Normal(0), High(1), Urgent(2);
+
+		public static Priority defaultPriority = Normal;
+
+		final int value;
+
+		Priority(int value) {
+			this.value = value;
+		}
+
+		public int getValue() {
+			return value;
+		}
+		
+		public static Priority [] choices() {
+			return new Priority [] { Urgent, High, Normal, Low };
+		}
+
+		@Override
+		public String toString() {
+			return name().toLowerCase().replace('_', ' ');
+		}
+
+		public static Priority fromObject(Object o, Priority defaultPriority) {
+			if (o instanceof Priority) {
+				// cast and return
+				return (Priority) o;
+			} else if (o instanceof String) {
+				// find by name
+				for (Priority priority : values()) {
+					String str = o.toString();
+					if (priority.name().equalsIgnoreCase(str)
+							|| priority.toString().equalsIgnoreCase(str)) {
+						return priority;
+					}
+				}
+			} else if (o instanceof Number) {
+
+				switch (((Number) o).intValue()) {
+					case -1: return Priority.Low;
+					case 0:  return Priority.Normal;
+					case 1:  return Priority.High;
+					case 2:  return Priority.Urgent;
+					default: return Priority.Normal;
+				}
+			}
+
+			return defaultPriority;
+		}
+	}
+	
+	public static enum Severity {
+		Unrated(-1), Negligible(1), Minor(2), Serious(3), Critical(4), Catastrophic(5);
+
+		public static Severity defaultSeverity = Unrated;
+		
+		final int value;
+		
+		Severity(int value) {
+			this.value = value;
+		}
+
+		public int getValue() {
+			return value;
+		}
+		
+		public static Severity [] choices() {
+			return new Severity [] { Unrated, Negligible, Minor, Serious, Critical, Catastrophic };
+		}
+
+		@Override
+		public String toString() {
+			return name().toLowerCase().replace('_', ' ');
+		}
+		
+		public static Severity fromObject(Object o, Severity defaultSeverity) {
+			if (o instanceof Severity) {
+				// cast and return
+				return (Severity) o;
+			} else if (o instanceof String) {
+				// find by name
+				for (Severity severity : values()) {
+					String str = o.toString();
+					if (severity.name().equalsIgnoreCase(str)
+							|| severity.toString().equalsIgnoreCase(str)) {
+						return severity;
+					}
+				}
+			} else if (o instanceof Number) {
+				
+				switch (((Number) o).intValue()) {
+					case -1: return Severity.Unrated;
+					case 1:  return Severity.Negligible;
+					case 2:  return Severity.Minor;
+					case 3:  return Severity.Serious;
+					case 4:  return Severity.Critical;
+					case 5:  return Severity.Catastrophic;
+					default: return Severity.Unrated;
+				}
+			}
+
+			return defaultSeverity;
+		}
+	}
 }

--
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