新增：issue和里程碑列表接口

app/controllers/api/v1/issues_controller.rb

@@ -0,0 +1,23 @@
+class Api::V1::IssuesController < Api::V1::BaseController 
+
+  before_action :require_public_and_member_above, only: [:index] 
+
+  def index 
+    @object_results = Api::V1::Issues::ListService.call(@project, query_params, current_user)
+    @issues = kaminari_paginate(@object_results)
+  end
+
+  private 
+
+  def query_params
+    params.permit(
+      :category,
+      :participant_category, 
+      :keyword, :author_id, 
+      :milestone_id, :assigner_id,
+      :status_id, 
+      :sort_by, :sort_direction, 
+      :issue_tag_ids => [])
+  end
+
+end

app/services/api/v1/issues/list_service.rb

@@ -0,0 +1,87 @@
+class Api::V1::Issues::ListService < ApplicationService
+  include ActiveModel::Model
+
+  attr_reader :project, :category, :participant_category, :keyword, :author_id, :issue_tag_ids
+  attr_reader :milestone_id, :assigner_id, :status_id, :sort_by, :sort_direction, :current_user
+  attr_accessor :queried_issues
+
+  validates :category, inclusion: {in: %w(all opened closed), message: "请输入正确的Category"}
+  validates :sort_by, inclusion: {in: Issue.column_names, message: '请输入正确的SortBy'}, allow_blank: true
+  validates :sort_direction, inclusion: {in: %w(asc desc), message: '请输入正确的SortDirection'}, allow_blank: true
+
+  def initialize(project, params, current_user=nil)
+    puts params
+    @project = project
+    @category = params[:category] || 'all'
+    @participant_category = params[:participant_category]
+    @keyword = params[:keyword]
+    @author_id = params[:author_id]
+    @issue_tag_ids = params[:issue_tag_ids]
+    @milestone_id = params[:milestone_id]
+    @assigner_id = params[:assigner_id]
+    @status_id = params[:status_id]
+    @sort_by = params[:sort_by].present? ?  params[:sort_by] : 'updated_on'
+    @sort_direction = (params[:sort_direction].present? ? params[:sort_direction] : 'desc').downcase
+    @current_user = current_user
+  end
+
+  def call 
+    raise Error, errors.full_messages.join(", ") unless valid? 
+    begin
+      issue_query_data
+
+      queried_issues
+    rescue 
+      raise Error, "服务器错误，请联系系统管理员！"
+    end
+  end
+
+  private 
+  def issue_query_data 
+    issues = @project.issues.issue_issue.joins(:journals).where.not(journals: {notes: nil})
+
+    case category 
+    when 'closed'
+      issues = issues.closed
+    when 'opened'
+      issues = issues.opened
+    end
+
+    case participant_category
+    when 'aboutme' # 关于我的
+      issues = issues.joins(:participants, :issue_participants).where(issue_participants: {participant_type: %(authored assigned atme)},users: {id: current_user&.id})
+    when 'authoredme' # 我创建的
+      issues = issues.joins(:participants, :issue_participants).where(issue_participants: {participant_type: %(authored)},users: {id: current_user&.id})
+    when 'assignedme' # 我负责的
+      issues = issues.joins(:participants, :issue_participants).where(issue_participants: {participant_type: %(assigned)},users: {id: current_user&.id})
+    when 'atme' # @我的
+      issues = issues.joins(:participants, :issue_participants).where(issue_participants: {participant_type: %(atme)},users: {id: current_user&.id})
+    end
+
+    # author_id
+    issues = issues.where(author_id: author_id) if author_id.present?
+
+    # issue_tag_ids
+    issues = issues.joins(:issue_tags).where(issue_tags: {id: issue_tag_ids}) unless issue_tag_ids.blank?
+
+    # milestone_id
+    issues = issues.where(fixed_version_id: milestone_id) if milestone_id.present?
+
+    # assigner_id
+    issues = issues.joins(:assigners).where(users: {id: assigner_id}) if assigner_id.present?
+
+    # status_id
+    issues = issues.where(status_id: status_id) if status_id.present?
+
+    # keyword
+    q = issues.ransack(subject_or_description_cont: keyword)
+
+    scope = q.result.includes(:priority, :issue_status, :user, :assigners, :version, :issue_tags, :journals)
+
+
+    scope = scope.reorder("issues.#{sort_by} #{sort_direction}")
+
+    @queried_issues = scope
+  end
+
+end

app/views/api/v1/issues/_simple_detail.json.jbuilder

@@ -0,0 +1,20 @@
+json.(issue, :id, :subject, :project_issues_index)
+json.created_at issue.created_on.strftime("%Y/%m/%d %H:%M")
+json.updated_at issue.updated_on.strftime("%Y/%m/%d %H:%M")
+json.tags issue.issue_tags.each do |tag|
+  json.partial! "api/v1/issues/issue_tags/simple_detail", locals: {tag: tag}
+end
+json.status_name issue.issue_status&.name 
+json.priority_name issue.priority&.name 
+json.milestone_name issue.version&.name
+json.author do
+  if issue.user.present? 
+    json.partial! "api/v1/users/simple_user", locals: {user: issue.user}
+  else 
+    json.nil! 
+  end
+end
+json.assigners issue.assigners.each do |assigner| 
+  json.partial! "api/v1/users/simple_user", locals: {user: assigner}
+end
+json.journals_count issue.journals.size

app/views/api/v1/issues/index.json.jbuilder

@@ -0,0 +1,4 @@
+# json.total_count @issues.total_count 
+json.issues @issues.each do |issue| 
+  json.partial! "simple_detail", locals: {issue: issue}
+end

app/views/api/v1/issues/issue_tags/_simple_detail.json.jbuilder

@@ -1 +1 @@
-json.(tag, :id, :name)
+json.(tag, :id, :name, :color)