add issue tasks.

graph/schema/issue.gql

@@ -18,10 +18,14 @@ type Issue {
     project: Project
     "The issue's owner/creator."
     owner: User
-    "The issue assignee."
+    "The issue's assignee."
     assignee: User
-    "The issue status."
+    "Current status of the issue."
     status: ProjectStatus!
+    "Issue tasks."
+    tasks(filter: IssueTaskFilter): [IssueTask!]!
+    #"Logs related to this issue."
+    #logs: [Log!]!
 }
 
 input IssueFilter {

graph/schema/issuetask.gql

@@ -0,0 +1,98 @@
+"""
+An issue task is a the main part of an issue. They contain estimates, and which activity
+is to be performed. They don't get their own page in UI and should have all their information
+presented in a concise manner.
+"""
+type IssueTask {
+    "The issue task ID."
+    id: String!
+    "The time when the task was created."
+    createdTime: Time!
+    "The time when the task was updated."
+    updatedTime: Time!
+    "The time when the task is due."
+    dueTime: Time
+    "A name for the task."
+    name: String!
+    "A short description of the task."
+    description: String!
+    "The estimated time."
+    estimatedTime: Duration!
+    "The estimated units."
+    estimatedUnits: Int
+    "A multiplier for the points earned."
+    pointsMultiplier: Float!
+
+    "Parent issue."
+    issue: Issue!
+    "Activity the task performs."
+    activity: Activity!
+    "The status of this task."
+    status: ProjectStatus!
+    #"Logs related to this task."
+    #logs: [Log!]!
+
+    "Remaining time from the logs."
+    remainingTime: Duration!
+    "Remaining units (if countable)"
+    remainingUnits: Int
+}
+
+"""
+A subset of the filter for Issue.tasks
+"""
+input IssueTaskFilter {
+    "The activity IDs to limit the task list with."
+    activityIds: [String!]
+    "The lowest stage (inclusive)."
+    minStage: Int
+    "The highest stage (inclusive)."
+    maxStage: Int
+}
+
+"""
+Input for the createIssueTask mutation.
+"""
+input IssueTaskCreateInput {
+    "The issue ID to parent to."
+    issueId: String!
+
+    "The activity ID this task is about."
+    activityId: String!
+    "The name of the task."
+    name: String!
+    "The description of the task."
+    description: String!
+    "Estimated time to perform the task."
+    estimatedTime: Duration!
+    "Task status."
+    statusName: String!
+
+    "Estimate an amount of units. This is required for issues with a countable activity."
+    estimatedUnits: Int
+    "Set an optional multiplier for the issue."
+    pointsMultiplier: Float
+}
+
+"""
+Input for the editIssueTask mutation.
+"""
+input IssueTaskEditInput {
+    "The issue task to edit."
+    issueTaskId: String!
+
+    "Update the status."
+    setStatusName: String
+    "Set the name."
+    setName: String
+    "Set description."
+    setDescription: String
+    "Set estimated time."
+    setEstimatedTime: Duration
+    "Set estimated units."
+    setEstimatedUnits: Int
+    "Set points multiplier."
+    setPointsMultiplier: Float
+    "Set due time."
+    setDueTime: Time
+}

graph/schema/mutation.gql

@@ -9,9 +9,19 @@ type Mutation {
     "Edit an activity."
     editActivity(input: ActivityEditInput!): Activity!
 
+    # ITEM
+
     # ISSUE
     "Create a new issue."
     createIssue(input: IssueCreateInput!): Issue!
+    # ISSUE TASK
+    "Create a new issue task."
+    createIssueTask(input: IssueTaskCreateInput!): IssueTask!
+    "Edit an issue task."
+    editIssueTask(input: IssueTaskEditInput!): IssueTask!
+    # ISSUE ITEM
+
+    # LOG
 
     # USER
     "Log in."

graph/schema/project.gql

@@ -29,6 +29,7 @@ type ProjectPermission {
     user: User
 }
 
+"The project's statuses for issues and issue tasks."
 type ProjectStatus {
     "The stage of the status. 0=inactive, 1=pending, 2=active, 3=review, 4=completed, 5=failed, 6=postponed"
     stage: Int!

graph/schema/scalars.gql

@@ -1 +1,10 @@
-scalar Time
+"""
+A ISO3339 timestamp.
+"""
+scalar Time
+
+"""
+Duration in milliseconds. It will output as an integer, but can be supplied as a float, integer
+or a string accepted by the Go time.Duration parser.
+"""
+scalar Duration