Create the atlas files from wago.tools automatically

Code heavly based on code/ideas provided by Nightwarden24 in
WeakAuras#4776

Just ported to lua for hopefully easier maintability

Fixes: WeakAuras#4776

.github/scripts/atlas_update.lua

@@ -0,0 +1,63 @@
+local version = ...
+
+print("Creating atlas file for", version)
+
+local versionMap = {
+  wow = "_Retail",
+  wow_classic = "_Wrath",
+  wow_classic_era = "_Vanilla"
+}
+
+if not versionMap[version] then
+  print("Unknown version", version)
+  return 1
+end
+
+local outputFileName = "Atlas" .. versionMap[version] .. ".lua"
+
+local ftcsv = require('ftcsv')
+
+local validAtlasIds = {}
+local validAtlasElementIds = {}
+local validNames = {}
+
+for lineNr, atlas in ftcsv.parseLine("UiTextureAtlas.csv", ",") do
+  validAtlasIds[atlas.ID] = true
+end
+
+for lineNr, member in ftcsv.parseLine("UiTextureAtlasMember.csv", ",") do
+  local uiTextureAtlasID = member.UiTextureAtlasID
+  local uiTextureAtlasElementId = member.UiTextureAtlasElementID
+
+  if validAtlasIds[uiTextureAtlasID] and not validAtlasElementIds[uiTextureAtlasElementId] then
+    validAtlasElementIds[uiTextureAtlasElementId] = true
+  end
+end
+
+for lineNr, element in ftcsv.parseLine("UiTextureAtlasElement.csv", ",") do
+  local name = element.Name
+  local id = element.ID
+  if validAtlasElementIds[id] and name:lower():sub(1, 5) ~= "cguy_" then
+    validNames[name] = true
+  end
+end
+
+--for name in pairs(validNames) do
+--  print("Found +", name)
+--end
+
+local output = io.open(outputFileName, "w+")
+output:write("if not WeakAuras.IsLibsOK() then return end\n")
+output:write("--- @type string, Private\n")
+output:write("local AddonName, Private = ...\n")
+output:write("Private.AtlasList = {")
+for name in pairs(validNames) do
+  output:write('"')
+  output:write(name)
+  output:write('",')
+end
+output:write("}\n")
+io.close(output)
+
+print("Created output file", outputFileName)
+return 0

.github/scripts/wagotools-atlas.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+for version in wow wow_classic wow_classic_era
+do
+  wget -O "UiTextureAtlas.csv" "https://wago.tools/db2/UiTextureAtlas/csv?branch=${version}"
+  wget -O "UiTextureAtlasMember.csv" "https://wago.tools/db2/UiTextureAtlasMember/csv?branch=${version}"
+  wget -O "UiTextureAtlasElement.csv" "https://wago.tools/db2/UiTextureAtlasElement/csv?branch=${version}"
+
+  lua ./atlas_update.lua ${version}
+done
+
+mv Atlas_Retail.lua ../../WeakAuras/
+mv Atlas_Wrath.lua ../../WeakAuras/
+mv Atlas_Vanilla.lua ../../WeakAuras/
+

.github/workflows/atlas-update.yml

@@ -0,0 +1,39 @@
+name: Create Atlas file list update pull request
+
+on:
+  schedule:
+    - cron:  '0 10 * * 1'
+
+  workflow_dispatch:
+
+jobs:
+  atlasUpdate:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: leafo/gh-actions-lua@v10
+      - uses: leafo/gh-actions-luarocks@v4
+
+      - name: Lua rocks
+        run: |
+          luarocks install --server=https://luarocks.org/manifests/fouriertransformer ftcsv
+        shell: bash
+
+      - name: Update Atlas files from wago.tools
+        run: |
+          cd .github/scripts/
+          ./wagotools-atlas.sh
+        shell: bash
+
+      - name: Cleanup luarocks
+        run: |
+             rm -rf .luarocks
+
+
+      - name: Create Pull Request
+        uses: peter-evans/create-pull-request@v5
+        with:
+          branch: update-atlasfiles
+          commit-message: Update atlas file list from wago.tools
+          title: Update atlas file list from wago.tools
+          delete-branch: true

WeakAuras/WeakAuras.toc

@@ -35,6 +35,7 @@ ArchiveTypes\Repository.lua
 DefaultOptions.lua
 
 # Core files
+Atlas_Retail.lua
 Types_Retail.lua
 Types.lua
 Prototypes.lua

WeakAuras/WeakAuras_Vanilla.toc

@@ -28,6 +28,7 @@ ArchiveTypes\Repository.lua
 DefaultOptions.lua
 
 # Core files
+Atlas_Vanilla.lua
 Types_Vanilla.lua
 Types.lua
 Prototypes.lua

WeakAuras/WeakAuras_Wrath.toc

@@ -31,6 +31,7 @@ ArchiveTypes\Repository.lua
 DefaultOptions.lua
 
 # Core files
+Atlas_Wrath.lua
 Types_Wrath.lua
 Types.lua
 Prototypes.lua