bsw@2: local old_draft_id = param.get("old_draft_id", atom.integer)
bsw@2: local new_draft_id = param.get("new_draft_id", atom.integer)
bsw@1045: local initiative_id = param.get("initiative_id", atom.number)
bsw@2: 
bsw@1045: if not old_draft_id 
bsw@1045:   or not new_draft_id 
bsw@1045:   or old_draft_id == new_draft_id
bsw@1045: then
bsw@1045:   slot.reset_all()
bsw@1045:   slot.select("error", function()
bsw@1045:     ui.tag{ content = _"Please choose two different versions of the draft to compare" }
bsw@1045:   end )
bsw@1045:   request.redirect{
bsw@1489:     module = "initiative", view = "history", id = initiative_id
bsw@1045:   }
bsw@10:   return
bsw@10: end
bsw@10: 
bsw@2: if old_draft_id > new_draft_id then
jbe@1226:   old_draft_id, new_draft_id = new_draft_id, old_draft_id
bsw@2: end
bsw@2: 
bsw@2: local old_draft = Draft:by_id(old_draft_id)
bsw@2: local new_draft = Draft:by_id(new_draft_id)
bsw@2: 
bsw@1045: local initiative = new_draft.initiative
bsw@1045: 
bsw@1045: if app.session.member then
bsw@1045:   initiative:load_everything_for_member_id(app.session.member_id)
bsw@1045:   initiative.issue:load_everything_for_member_id(app.session.member_id)
bsw@1045: end
bsw@1045: 
bsw@1045: 
bsw/jbe@1309: local old_draft_content = string.gsub(string.gsub(util.html_to_text(old_draft.content), "\n", " ###ENTER###\n"), " ", "\n")
bsw/jbe@1309: local new_draft_content = string.gsub(string.gsub(util.html_to_text(new_draft.content), "\n", " ###ENTER###\n"), " ", "\n")
bsw@95: 
jbe@1226: local key = multirand.string(24, "0123456789abcdefghijklmnopqrstuvwxyz")
bsw@2: 
bsw@1230: local old_draft_filename = encode.file_path(WEBMCP_BASE_PATH, 'tmp', "diff-" .. key .. "-old.tmp")
bsw@1230: local new_draft_filename = encode.file_path(WEBMCP_BASE_PATH, 'tmp', "diff-" .. key .. "-new.tmp")
bsw@2: 
bsw@2: local old_draft_file = assert(io.open(old_draft_filename, "w"))
bsw@95: old_draft_file:write(old_draft_content)
bsw@2: old_draft_file:write("\n")
bsw@2: old_draft_file:close()
bsw@2: 
bsw@2: local new_draft_file = assert(io.open(new_draft_filename, "w"))
bsw@95: new_draft_file:write(new_draft_content)
bsw@2: new_draft_file:write("\n")
bsw@2: new_draft_file:close()
bsw@2: 
bsw/jbe@1309: local output, err, status = extos.pfilter(nil, "sh", "-c", "diff -a -U 1000000000 '" .. old_draft_filename .. "' '" .. new_draft_filename .. "' | grep --binary-files=text -v ^--- | grep --binary-files=text -v ^+++ | grep --binary-files=text -v ^@")
bsw@2: 
bsw@2: os.remove(old_draft_filename)
bsw@2: os.remove(new_draft_filename)
bsw@2: 
bsw@95: local last_state = "first_run"
bsw@95: 
bsw@95: local function process_line(line)
bsw@95:   local state_char = string.sub(line, 1, 1)
bsw@95:   local state
bsw@95:   if state_char == "+" then
bsw@95:     state = "added"
bsw@95:   elseif state_char == "-" then
bsw@95:     state = "removed"
bsw@95:   elseif state_char == " " then
bsw@95:     state = "unchanged"
bsw@95:   end
bsw@95:   local state_changed = false
bsw@95:   if state ~= last_state then
bsw@95:     if last_state ~= "first_run" then
bsw@95:       slot.put("</span> ")
bsw@95:     end
bsw@95:     last_state = state
bsw@95:     state_changed = true
bsw@95:     slot.put("<span class=\"diff_" .. tostring(state) .. "\">")
bsw@95:   end
bsw@95: 
bsw@95:   line = string.sub(line, 2, #line)
bsw@95:   if line ~= "###ENTER###" then
bsw@95:     if not state_changed then
bsw@95:       slot.put(" ")
bsw@95:     end
bsw/jbe@1309:     --slot.put(encode.html(line))
bsw/jbe@1309:     slot.put(line)
bsw@95:   else
bsw@95:     slot.put("<br />")
bsw@95:   end
bsw@95: end
bsw@95: 
bsw/jbe@1309: execute.view{ module = "issue", view = "_head", params = { issue = initiative.issue } }
bsw/jbe@1309: 
bsw/jbe@1309: ui.grid{ content = function()
bsw/jbe@1309:   ui.cell_main{ content = function()
bsw/jbe@1309:     ui.container{ attr = { class = "mdl-card mdl-card__fullwidth mdl-shadow--2dp" }, content = function()
bsw/jbe@1309: 
bsw/jbe@1309:       ui.container{ attr = { class = "mdl-card__title mdl-card--border" }, content = function ()
bsw@1045:         ui.heading { 
bsw/jbe@1309:           attr = { class = "mdl-card__title-text" },
bsw/jbe@1309:           content = function()
bsw/jbe@1309:             ui.link{
bsw/jbe@1309:               module = "initiative", view = "show", id = initiative.id,
bsw/jbe@1309:               content = initiative.display_name
bsw/jbe@1309:             }
bsw/jbe@1309:           end
bsw@1045:         }
bsw/jbe@1309:         ui.container{ content = _("Comparision of revisions #{id1} and #{id2}", {
bsw/jbe@1309:           id1 = old_draft.id,
bsw/jbe@1309:           id2 = new_draft.id 
bsw/jbe@1309:         } ) }
bsw/jbe@1309:       end }
bsw/jbe@1309: 
bsw/jbe@1309:       if app.session.member_id and not new_draft.initiative.revoked then
bsw/jbe@1309:         local supporter = app.session.member:get_reference_selector("supporters")
bsw/jbe@1309:           :add_where{ "initiative_id = ?", new_draft.initiative_id }
bsw/jbe@1309:           :optional_object_mode()
bsw/jbe@1309:           :exec()
bsw/jbe@1309:         if supporter and supporter.draft_id == old_draft.id and new_draft.id == initiative.current_draft.id then
bsw/jbe@1309:           ui.container {
bsw/jbe@1309:             attr = { class = "mdl-card__content mdl-card--no-bottom-pad mdl-card--notice" },
bsw/jbe@1309:             content = _"The draft of this initiative has been updated!"
bsw@1045:           }
bsw/jbe@1309:           ui.container {
bsw/jbe@1309:             attr = { class = "mdl-card__actions mdl-card--action-border  mdl-card--notice" },
bsw/jbe@1309:             content = function ()
bsw/jbe@1309:               ui.link{
bsw/jbe@1309:                 attr = { class = "mdl-button mdl-js-button mdl-button--raised" },
bsw/jbe@1309:                 text   = _"refresh my support",
bsw/jbe@1309:                 module = "initiative",
bsw/jbe@1309:                 action = "add_support",
bsw/jbe@1309:                 id     = new_draft.initiative.id,
bsw/jbe@1309:                 params = { draft_id = new_draft.id },
bsw/jbe@1309:                 routing = {
bsw/jbe@1309:                   default = {
bsw/jbe@1309:                     mode = "redirect",
bsw/jbe@1309:                     module = "initiative",
bsw/jbe@1309:                     view = "show",
bsw/jbe@1309:                     id = new_draft.initiative.id
bsw/jbe@1309:                   }
bsw/jbe@1309:                 }
bsw/jbe@1309:               }
bsw@1045: 
bsw/jbe@1309:               slot.put(" &nbsp; ")
bsw/jbe@1309:               
bsw/jbe@1309:               ui.link{
bsw/jbe@1309:                 attr = { class = "mdl-button mdl-js-button mdl-button--raised" },
bsw/jbe@1309:                 text   = _"remove my support",
bsw/jbe@1309:                 module = "initiative",
bsw/jbe@1309:                 action = "remove_support",
bsw/jbe@1309:                 id     = new_draft.initiative.id,
bsw/jbe@1309:                 routing = {
bsw/jbe@1309:                   default = {
bsw/jbe@1309:                     mode = "redirect",
bsw/jbe@1309:                     module = "initiative",
bsw/jbe@1309:                     view = "show",
bsw/jbe@1309:                     id = new_draft.initiative.id
bsw/jbe@1309:                   }
bsw/jbe@1309:                 }
bsw/jbe@1309:               }        
bsw/jbe@1309: 
bsw/jbe@1309:               slot.put(" &nbsp; ")
bsw/jbe@1309:               
bsw/jbe@1309:               ui.link{
bsw/jbe@1309:                 attr = { class = "mdl-button mdl-js-button" },
bsw/jbe@1309:                 text   = _"cancel",
bsw/jbe@1309:                 module = "initiative",
bsw/jbe@1309:                 view   = "show",
bsw/jbe@1309:                 id     = new_draft.initiative.id,
bsw/jbe@1309:               }        
bsw/jbe@1309:             end
bsw@1045:           }
bsw/jbe@1309:         end
bsw/jbe@1309:       end
bsw@2: 
bsw/jbe@1309:       ui.container {
bsw/jbe@1309:         attr = { class = "draft mdl-card__content mdl-card--border" },
bsw/jbe@1309:         content = function ()
bsw/jbe@1309:           if not status then
bsw/jbe@1309:             ui.field.text{ value = _"The drafts do not differ" }
bsw/jbe@1309:           else
bsw/jbe@1309:             ui.container{
bsw/jbe@1309:               tag = "div",
bsw/jbe@1309:               attr = { class = "diff" },
bsw/jbe@1309:               content = function()
bsw/jbe@1309:                 output = output:gsub("[^\n\r]+", function(line)
bsw/jbe@1309:                   process_line(line)
bsw/jbe@1309:                 end)
bsw/jbe@1309:               end
bsw/jbe@1309:             }
bsw/jbe@1309:           end 
bsw@1045:         end
bsw@1045:       }
bsw@1496: 
bsw@1496:       local old_files = File:new_selector()
bsw@1496:         :left_join("draft_attachment", nil, "draft_attachment.file_id = file.id")
bsw@1496:         :add_where{ "draft_attachment.draft_id = ?", old_draft.id }
bsw@1496:         :reset_fields()
bsw@1496:         :add_field("file.id")
bsw@1496:         :add_field("draft_attachment.title")
bsw@1496:         :add_field("draft_attachment.description")
bsw@1496:         :add_order_by("draft_attachment.id")
bsw@1496:         :exec()
bsw@1496: 
bsw@1496:       local new_files = File:new_selector()
bsw@1496:         :left_join("draft_attachment", nil, "draft_attachment.file_id = file.id")
bsw@1496:         :add_where{ "draft_attachment.draft_id = ?", new_draft.id }
bsw@1496:         :reset_fields()
bsw@1496:         :add_field("file.id")
bsw@1496:         :add_field("draft_attachment.title")
bsw@1496:         :add_field("draft_attachment.description")
bsw@1496:         :add_order_by("draft_attachment.id")
bsw@1496:         :exec()
bsw@1496: 
bsw@1496:       local added_files = {}
bsw@1496:       for i, new_file in ipairs(new_files) do
bsw@1496:         local added = true
bsw@1496:         for j, old_file in ipairs(old_files) do
bsw@1496:           if 
bsw@1496:             old_file.file_id == new_file.file_id 
bsw@1496:             and old_file.title == new_file.title
bsw@1496:             and old_file.description == new_file.description
bsw@1496:           then
bsw@1496:             added = false
bsw@1496:           end
bsw@1496:         end
bsw@1496:         if added then
bsw@1496:           table.insert(added_files, new_file)
bsw@1496:         end
bsw@1496:       end
bsw@1496: 
bsw@1496:       if #added_files > 0 then
bsw@1496:         ui.container {
bsw@1496:           attr = { class = "mdl-card__content mdl-card--border" },
bsw@1496:           content = function()
bsw@1496:             ui.container{ content = _"Added attachments" }
bsw@1496:             for i, file in ipairs(added_files) do
bsw@1496:               ui.image{ module = "file", view = "show.jpg", id = file.id, params = { preview = true } }
bsw@1496:               ui.container{ content = file.title or "" }
bsw@1496:               ui.container{ content = file.description or "" }
bsw@1496:               slot.put("<br /><br />")
bsw@1496:             end
bsw@1496:           end
bsw@1496:         }
bsw@1496:       end
bsw@1496: 
bsw@1496:       local removed_files = {}      
bsw@1496:       for i, old_file in ipairs(old_files) do
bsw@1496:         local removed = true
bsw@1496:         for j, new_file in ipairs(new_files) do
bsw@1496:           if 
bsw@1496:             old_file.file_id == new_file.file_id 
bsw@1496:             and old_file.title == new_file.title
bsw@1496:             and old_file.description == new_file.description
bsw@1496:           then
bsw@1496:             removed = false
bsw@1496:           end
bsw@1496:         end
bsw@1496:         if removed then
bsw@1496:           table.insert(removed_files, old_file)
bsw@1496:         end
bsw@1496:       end
bsw@1496: 
bsw@1496: 
bsw@1496:       if #removed_files > 0 then
bsw@1496:         ui.container {
bsw@1496:           attr = { class = "mdl-card__content mdl-card--border" },
bsw@1496:           content = function()
bsw@1496:             ui.container{ content = _"Removed attachments" }
bsw@1496:             for i, file in ipairs(removed_files) do
bsw@1496:               ui.image{ module = "file", view = "show.jpg", id = file.id, params = { preview = true } }
bsw@1496:               ui.container{ content = file.title or "" }
bsw@1496:               ui.container{ content = file.description or "" }
bsw@1496:               slot.put("<br /><br />")
bsw@1496:             end
bsw@1496:           end
bsw@1496:         }
bsw@1496:       end
bsw@1496: 
bsw@1496:       ui.container {
bsw@1496:         attr = { class = "draft mdl-card__content mdl-card--border" },
bsw@1496:         content = function ()
bsw@1496:         end
bsw@1496:       }
bsw@1496: 
bsw/jbe@1309:     end }
bsw/jbe@1309:   end }
bsw/jbe@1309:   ui.cell_sidebar{ content = function()
bsw/jbe@1309: 
bsw/jbe@1309:     execute.view{ module = "issue", view = "_sidebar", params = {
bsw/jbe@1309:       initiative = initiative,
bsw/jbe@1309:       issue = initiative.issue
bsw/jbe@1309:     } }
bsw@1045: 
bsw/jbe@1309:     execute.view {
bsw/jbe@1309:       module = "issue", view = "_sidebar_whatcanido",
bsw/jbe@1309:       params = { initiative = initiative }
bsw/jbe@1309:     }
bsw/jbe@1309: 
bsw/jbe@1309:     execute.view { 
bsw/jbe@1309:       module = "issue", view = "_sidebar_members", params = {
bsw/jbe@1309:         issue = initiative.issue, initiative = initiative
bsw/jbe@1309:       }
bsw/jbe@1309:     }
bsw/jbe@1309:   end }
bsw/jbe@1309: end }