From 3b24444fa348a8687524866efed4655843369148 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?King=20K=C3=A9vin?= <kingkevin@cuvoodoo.info>
Date: Fri, 3 Feb 2023 01:41:53 +0100
Subject: [PATCH] kicad: use table of properties to export

---
 kicad_lib.rb | 52 +++++++++++++++++++++++++++-------------------------
 1 file changed, 27 insertions(+), 25 deletions(-)

diff --git a/kicad_lib.rb b/kicad_lib.rb
index 431ff2c..d14e497 100755
--- a/kicad_lib.rb
+++ b/kicad_lib.rb
@@ -17,17 +17,20 @@ JSON.parse(IO.read(CREDENTIALS)).each {|key,value| credentials[key.to_sym] = val
 Mysql2::Client.default_query_options.merge!(:as => :hash)
 db = Mysql2::Client.new(credentials)
 KICAD_FILE = "partdb.kicad_dbl"
+DEBUG = false # print debug information
 
-puts "create part to model views"
+puts "= create part to properties views ="
 
-db.query("CREATE OR REPLACE VIEW part_kicad_symbol AS \
-  SELECT properties.part AS part, properties.value AS kicad_symbol FROM properties JOIN property ON property.id = properties.property WHERE property.name = 'kicad_symbol'")
-db.query("CREATE OR REPLACE VIEW part_kicad_footprint AS \
-  SELECT properties.part AS part, properties.value AS kicad_footprint FROM properties JOIN property ON property.id = properties.property WHERE property.name = 'kicad_footprint'")
-db.query("CREATE OR REPLACE VIEW part_qeda AS \
-  SELECT v1.part AS part,v1.value AS qeda_part,v2.value AS qeda_variant FROM properties AS v1 LEFT JOIN property AS p1 ON p1.id = v1.property LEFT JOIN properties AS v2 ON v2.part = v1.part LEFT JOIN property AS p2 ON p2.id = v2.property WHERE p1.name = 'qeda_part' AND p2.name = 'qeda_variant'")
+prop2view = [{property: "kicad_symbol"}, {property: "kicad_footprint"}, {property: "qeda_part"}, {property: "qeda_variant"}]
+prop2view.each do |prop|
+  puts prop[:property]
+  prop[:table] = "part_" + prop[:property].downcase.gsub(/[- \/]/,"_")
+  view = "CREATE OR REPLACE VIEW #{prop[:table]} AS SELECT properties.part AS part, properties.value AS #{prop[:property]} FROM properties JOIN property ON property.id = properties.property WHERE property.name = '#{prop[:property]}'"
+  puts view if DEBUG
+  db.query(view)
+end
 
-puts "create part category tables"
+puts "= create part category tables ="
 
 kicad_dbl = {} # kicad database library file
 kicad_dbl["meta"] = {version: 0}
@@ -41,24 +44,23 @@ categories = db.query("SELECT properties.value AS category FROM properties LEFT
 categories.uniq!
 categories.each do |category|
   puts category
-  table = "kicad_lib_" + category.gsub(" ","_").gsub("-","_").gsub("/","_").downcase
-  view = "CREATE OR REPLACE VIEW #{table} AS \
-  SELECT part.id, part.name, part.description, \
-    COALESCE(symbol1.kicad_symbol,symbol2.kicad_symbol) AS kicad_symbol, \
-    COALESCE(footprint1.kicad_footprint,footprint2.kicad_footprint) AS kicad_footprint, \
-    COALESCE(qeda1.qeda_part,qeda2.qeda_part) AS qeda_part, \
-    COALESCE(qeda1.qeda_variant,qeda2.qeda_variant) AS qeda_variant \
-    FROM part \
-    LEFT JOIN part AS parent ON parent.id = part.family \
-    LEFT JOIN part_kicad_symbol AS symbol1 ON symbol1.part = part.id \
-    LEFT JOIN part_kicad_symbol AS symbol2 ON symbol2.part = parent.id \
-    LEFT JOIN part_kicad_footprint AS footprint1 ON footprint1.part = part.id \
-    LEFT JOIN part_kicad_footprint AS footprint2 ON footprint2.part = parent.id \
-    LEFT JOIN part_qeda AS qeda1 ON qeda1.part = part.id \
-    LEFT JOIN part_qeda AS qeda2 ON qeda2.part = parent.id \
-    WHERE part.id IN (SELECT part FROM properties LEFT JOIN property ON property.id = properties.property WHERE property.name = 'category' AND properties.value = '#{category}') \
-    OR parent.id IN (SELECT part FROM properties LEFT JOIN property ON property.id = properties.property WHERE property.name = 'category' AND properties.value = '#{category}')"
+  table = "kicad_lib_" + category.downcase.gsub(/[- \/]/,"_")
+  view = "CREATE OR REPLACE VIEW #{table} AS "
+  view += "SELECT part.id, part.name, "
+  prop2view.each do |prop|
+    view += "COALESCE(#{prop[:table]}1.#{prop[:property]},#{prop[:table]}2.#{prop[:property]}) AS #{prop[:property]}, "
+  end
+  view += "part.description FROM part "
+  view += "LEFT JOIN part AS parent ON parent.id = part.family "
+  prop2view.each do |prop|
+    view += "LEFT JOIN #{prop[:table]} AS #{prop[:table]}1 ON #{prop[:table]}1.part = part.id "
+    view += "LEFT JOIN #{prop[:table]} AS #{prop[:table]}2 ON #{prop[:table]}2.part = parent.id "
+  end
+  view += "WHERE part.id IN (SELECT part FROM properties LEFT JOIN property ON property.id = properties.property WHERE property.name = 'category' AND properties.value = '#{category}') "
+  view += "OR parent.id IN (SELECT part FROM properties LEFT JOIN property ON property.id = properties.property WHERE property.name = 'category' AND properties.value = '#{category}')"
+  puts view if DEBUG
   db.query(view)
+
   library = {name: category, table: table, key: "name", symbols: "kicad_symbol", footprints: "kicad_footprint"}
   library[:properties] = {description: "description"}
   library[:fields] = []