Class: EducodeSales::UploadFilesController

Inherits:
ApplicationController show all
Defined in:
app/controllers/educode_sales/upload_files_controller.rb

Instance Method Summary collapse

Methods inherited from ApplicationController

#authenticate_admin, #authenticate_request, #current_user, #filter, #render_failure, #render_success

Instance Method Details

#create ⇒ Object 



22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
 
# File 'app/controllers/educode_sales/upload_files_controller.rb', line 22

def create
  folder = File.join(Rails.root, "public", "files", 'educode_sales')
  upload_file = params["file"]
  raise "未上传文件" unless upload_file
  save_path = File.join(folder)
  ext = file_ext(upload_file.original_filename)
  local_path, digest = file_save_to_local(save_path, upload_file.tempfile, ext)
  content_type = upload_file.content_type.presence || 'application/octet-stream'
  disk_filename = local_path[save_path.size + 1, local_path.size]
  @attachment = Attachment.where(disk_filename: disk_filename,
                                 author_id: @current_admin.user_id).first
  if @attachment.blank?
    @attachment = Attachment.new
    @attachment.filename = upload_file.original_filename
    if params[:activity_id].present?
      @attachment.container_id = params[:activity_id]
      @attachment.container_type = 'EducodeSales::Activity'
    elsif params[:idea_id].present?
      @attachment.container_id = params[:idea_id]
      @attachment.container_type = 'EducodeSales::Idea'
    else
      @attachment.description = "business"
      @attachment.container_id = params[:business_id]
    end
    
    @attachment.disk_filename = local_path[save_path.size + 1, local_path.size]
    @attachment.filesize = upload_file.tempfile.size
    @attachment.content_type = content_type
    @attachment.digest = digest
    @attachment.author_id = @current_admin.user_id
  
    @attachment.save!
  else
    logger.info "文件已存在，id = #{@attachment.id}, filename = #{@attachment.filename}"
  end
  render json: { success: true, attachment_id: @attachment.id ,filename: @attachment.filename, url: folder +  "/" + @attachment.disk_filename}
end

#destroy ⇒ Object 



60
61
62
63
64
65
66
 
# File 'app/controllers/educode_sales/upload_files_controller.rb', line 60

def destroy
  folder = File.join(Rails.root, "public", "files", 'educode_sales')
  file = Attachment.find(params[:id])
  file.destroy
  File.delete(folder +  "/" +file.disk_filename) if FileTest::exist?(folder +  "/" +file.disk_filename)
  render_success
end

#download ⇒ Object 



68
69
70
71
72
73
 
# File 'app/controllers/educode_sales/upload_files_controller.rb', line 68

def download
  folder = File.join(Rails.root, "public", "files", 'educode_sales')
  file = Attachment.find_by_id(params[:id])
  raise "未找到文件" unless file
  send_file(folder +  "/" +file.disk_filename, filename: file.title, stream: true, type: file.content_type.presence || 'application/octet-stream')
end

#edu_setting(name) ⇒ Object 



75
76
77
 
# File 'app/controllers/educode_sales/upload_files_controller.rb', line 75

def edu_setting name
  EduSetting.get(name)
end

#file_ext(file_name) ⇒ Object 



80
81
82
83
84
85
86
87
 
# File 'app/controllers/educode_sales/upload_files_controller.rb', line 80

def file_ext(file_name)
  ext = ''
  exts = file_name.split(".")
  if exts.size > 1
    ext = ".#{exts.last}"
  end
  ext
end

#file_save_to_local(save_path, temp_file, ext) ⇒ Object 



89
90
91
92
93
94
95
96
97
98
99
100
 
# File 'app/controllers/educode_sales/upload_files_controller.rb', line 89

def file_save_to_local(save_path, temp_file, ext)
  unless Dir.exists?(save_path)
    FileUtils.mkdir_p(save_path) ##不成功这里会抛异常
  end

  digest = md5_file(temp_file)
  digest = "#{digest}_#{(Time.now.to_f * 1000).to_i}"
  local_file_path = File.join(save_path, digest) + ext
  save_temp_file(temp_file, local_file_path)

  [local_file_path, digest]
end

#index ⇒ Object 



6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
 
# File 'app/controllers/educode_sales/upload_files_controller.rb', line 6

def index
  respond_to do |format|
    format.html do
    end
    format.json do
      @files = Attachment.where(description: "business", container_id:params[:business_id])
      if params[:sort].present? && params[:sort][:field]
        @files = @files.order("#{params[:sort][:field]} #{params[:sort][:order]}")
      else
        @files = @files.order("created_on desc")
      end
      @files = @files.page(params[:page]).per(params[:limit])
    end
  end
end

#md5_file(temp_file) ⇒ Object 



103
104
105
106
107
108
109
110
 
# File 'app/controllers/educode_sales/upload_files_controller.rb', line 103

def md5_file(temp_file)
  md5 = Digest::MD5.new
  temp_file.rewind
  while (buffer = temp_file.read(8192))
    md5.update(buffer)
  end
  md5.hexdigest
end

#save_temp_file(temp_file, save_file_path) ⇒ Object 



112
113
114
115
116
117
118
119
 
# File 'app/controllers/educode_sales/upload_files_controller.rb', line 112

def save_temp_file(temp_file, save_file_path)
  File.open(save_file_path, 'wb') do |f|
    temp_file.rewind
    while (buffer = temp_file.read(8192))
      f.write(buffer)
    end
  end
end