liquid_feedback_frontend

diff app/main/draft/_action/add.lua @ 1495:17e7082c377a

Added image attachments for initiatives
author bsw
date Mon Feb 10 21:10:49 2020 +0100 (2020-02-10)
parents 32cc544d5a5b
children ed3c40911ae1
line diff
     1.1 --- a/app/main/draft/_action/add.lua	Mon Dec 09 15:54:57 2019 +0100
     1.2 +++ b/app/main/draft/_action/add.lua	Mon Feb 10 21:10:49 2020 +0100
     1.3 @@ -21,7 +21,68 @@
     1.4    draft_text = abstract .. "<!--END_OF_ABSTRACT-->" .. draft_text
     1.5  end
     1.6  
     1.7 -return Draft:update_content(
     1.8 +if config.attachments then
     1.9 +  local file_upload_session = param.get("file_upload_session")
    1.10 +  file_upload_session = string.gsub(file_upload_session, "[^A-Za-z0-9]", "")
    1.11 +  local file_uploads = json.array()
    1.12 +  local filename = encode.file_path(WEBMCP_BASE_PATH, 'tmp', "file_upload-" .. file_upload_session .. ".json")
    1.13 +  local fh = io.open(filename, "r")
    1.14 +  if fh then
    1.15 +    file_uploads = json.import(fh:read("*a"))
    1.16 +  end
    1.17 +  for i, file_upload in ipairs(file_uploads) do
    1.18 +    if param.get("file_upload_delete_" .. file_upload.id, atom.boolean) then
    1.19 +      for j = i, #file_uploads - 1 do
    1.20 +        file_uploads[j] = file_uploads[j+1]
    1.21 +      end
    1.22 +      file_uploads[#file_uploads] = nil
    1.23 +    end
    1.24 +  end
    1.25 +  local convert_func = config.attachments.convert_func
    1.26 +  local last_id = param.get("file_upload_last_id", atom.number)
    1.27 +  if last_id and last_id > 0 then
    1.28 +    if last_id > 1024 then
    1.29 +      last_id = 1024
    1.30 +    end
    1.31 +    for i = 1, last_id do
    1.32 +      local file = param.get("file_" .. i)
    1.33 +      if file and #file > 0 then
    1.34 +        local id = multirand.string(
    1.35 +          32,
    1.36 +          '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'
    1.37 +        )
    1.38 +        local data, err, status = convert_func(file)
    1.39 +        if status ~= 0 or data == nil then
    1.40 +          slot.put_into("error", _"Error while converting image. Please note, that only JPG files are supported!")
    1.41 +          return false
    1.42 +        end
    1.43 +        local filename = encode.file_path(WEBMCP_BASE_PATH, 'tmp', "file_upload-" .. file_upload_session .. "-" .. id .. ".jpg")
    1.44 +        local fh = assert(io.open(filename, "w"))
    1.45 +        fh:write(file)
    1.46 +        fh:write("\n")
    1.47 +        fh:close()
    1.48 +        local filename = encode.file_path(WEBMCP_BASE_PATH, 'tmp', "file_upload-" .. file_upload_session .. "-" .. id .. ".preview.jpg")
    1.49 +        local fh = assert(io.open(filename, "w"))
    1.50 +        fh:write(data)
    1.51 +        fh:write("\n")
    1.52 +        fh:close()
    1.53 +        table.insert(file_uploads, json.object{
    1.54 +          id = id,
    1.55 +          filename = filename,
    1.56 +          title = param.get("title_" .. i),
    1.57 +          description = param.get("description_" .. i)
    1.58 +        })
    1.59 +      end
    1.60 +    end
    1.61 +  end
    1.62 +  local filename = encode.file_path(WEBMCP_BASE_PATH, 'tmp', "file_upload-" .. file_upload_session .. ".json")
    1.63 +  local fh = assert(io.open(filename, "w"))
    1.64 +  fh:write(json.export(file_uploads))
    1.65 +  fh:write("\n")
    1.66 +  fh:close()
    1.67 +end
    1.68 +
    1.69 +local draft_id = Draft:update_content(
    1.70    app.session.member.id, 
    1.71    param.get("initiative_id", atom.integer),
    1.72    param.get("formatting_engine"),
    1.73 @@ -29,3 +90,66 @@
    1.74    nil,
    1.75    param.get("preview") or param.get("edit")
    1.76  )
    1.77 +
    1.78 +if draft_id and config.attachments then
    1.79 +  local file_upload_session = param.get("file_upload_session")
    1.80 +  file_upload_session = string.gsub(file_upload_session, "[^A-Za-z0-9]", "")
    1.81 +
    1.82 +  local draft_attachments = DraftAttachment:new_selector()
    1.83 +    :add_where{ "draft_attachment.draft_id = ?", draft_id }
    1.84 +    :exec()
    1.85 +
    1.86 +  for i, draft_attachment in ipairs(draft_attachments) do
    1.87 +    if param.get("file_delete_" .. draft_attachment.file_id, atom.boolean) then
    1.88 +      draft_attachment:destroy()
    1.89 +    end
    1.90 +  end
    1.91 +
    1.92 +  local file_uploads = json.array()
    1.93 +  local filename = encode.file_path(WEBMCP_BASE_PATH, 'tmp', "file_upload-" .. file_upload_session .. ".json")
    1.94 +  local fh = io.open(filename, "r")
    1.95 +  if fh then
    1.96 +    file_uploads = json.import(fh:read("*a"))
    1.97 +  end
    1.98 +  for i, file_upload in ipairs(file_uploads) do
    1.99 +    local filename = encode.file_path(WEBMCP_BASE_PATH, 'tmp', "file_upload-" .. file_upload_session .. "-" .. file_upload.id .. ".jpg")
   1.100 +    local data
   1.101 +    local fh = io.open(filename, "r")
   1.102 +    if fh then
   1.103 +      data = fh:read("*a")
   1.104 +    end
   1.105 +    local filename = encode.file_path(WEBMCP_BASE_PATH, 'tmp', "file_upload-" .. file_upload_session .. "-" .. file_upload.id .. ".preview.jpg")
   1.106 +    local data_preview
   1.107 +    local fh = io.open(filename, "r")
   1.108 +    if fh then
   1.109 +      data_preview = fh:read("*a")
   1.110 +    end
   1.111 +
   1.112 +    local hash = moonhash.sha3_512(data)
   1.113 +
   1.114 +    local file = File:new_selector()
   1.115 +      :add_where{ "hash = ?", hash }
   1.116 +      :add_where{ "content_type = ?", "image/jpeg" }
   1.117 +      :optional_object_mode()
   1.118 +      :exec()
   1.119 +
   1.120 +    if not file then
   1.121 +      file = File:new()
   1.122 +      file.content_type = "image/jpeg"
   1.123 +      file.hash = hash
   1.124 +      file.data = data
   1.125 +      file.preview_content_type = "image/jpeg"
   1.126 +      file.preview_data = data_preview
   1.127 +      file:save()
   1.128 +    end
   1.129 +
   1.130 +    local draft_attachment = DraftAttachment:new()
   1.131 +    draft_attachment.draft_id = draft_id
   1.132 +    draft_attachment.file_id = file.id
   1.133 +    draft_attachment.title = file_upload.title
   1.134 +    draft_attachment.description = file_upload.description
   1.135 +    draft_attachment:save()
   1.136 +  end
   1.137 +end
   1.138 +
   1.139 +return draft_id and true or false

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