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@@ -4,7 +4,8 @@
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#
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# THIS SOFTWARE IS PROVIDED AS IS WITHOUT WARRANTY
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from bottle import route, request, run, response, abort
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-from psycopg import sql, Cursor, connect
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+from psycopg import Cursor, connect
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+from psycopg.sql import SQL, Literal
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from datetime import date, datetime
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import os
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import matplotlib.pyplot as plt
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@@ -77,10 +78,19 @@ style = """
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select="$schema/xsd:element[@name=name(current())]/@type"/>
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<xsl:variable name="rowtypename"
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select="$schema/xsd:complexType[@name=$tabletypename]/xsd:sequence/xsd:element[@name='row']/@type"/>
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+ <xsl:variable name="tablename" select="$schema/xsd:complexType[@name=$rowtypename]/xsd:sequence/xsd:element[1]/@name"/>
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<html>
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<head>
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- <title><xsl:value-of select="name(current())"/></title>
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+ <title>
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+ <xsl:choose>
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+ <xsl:when test="$tablename = 'Group'">Groups</xsl:when>
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+ <xsl:when test="$tablename = 'Category'">Categories</xsl:when>
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+ <xsl:when test="$tablename = 'Product'">Products</xsl:when>
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+ <xsl:otherwise></xsl:otherwise>
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+ </xsl:choose>
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+ </title>
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+ <meta name="viewport" content="width=device-width, initial-scale=1"/>
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<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/purecss@2.1.0/build/pure-min.css" integrity="sha384-yHIFVG6ClnONEA5yB5DJXfW2/KC173DIQrYoZMEtBvGzmf0PKiGyNEqe9N6BNDBH" crossorigin="anonymous"/>
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<link rel="stylesheet" href="https://shandan.one/css/grids-responsive-min.css"/>
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<link rel="stylesheet" href="https://shandan.one/css/responsive-visibility-collapse.css"/>
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@@ -108,7 +118,7 @@ style = """
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</xsl:stylesheet>
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"""
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@route('/grocery/style/table')
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-def groups():
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+def table():
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response.content_type = 'application/xhtml+xml; charset=utf-8'
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return style
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@@ -132,36 +142,56 @@ ORDER BY 1', false, false, ''::text)
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return f"{heading}" + '\n'.join(xml)
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@route('/grocery/categories')
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-def groups():
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+def categories():
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+ fields = { 'group': None }
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try:
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with conn.cursor() as cur:
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- xml = cur.execute("""
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-SELECT query_to_xml_and_xmlschema('SELECT
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+ fields.update({
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+ k: request.query[k] for k in request.query.keys() if k == 'group'
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+ })
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+ xml = cur.execute(SQL("""
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+SELECT query_to_xml_and_xmlschema($$SELECT
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c.name AS "Category",
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g.name AS "Group"
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FROM categories c
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JOIN groups g ON c.group_id = g.id
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-ORDER BY 1, 2', false, false, ''::text)
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-""").fetchone()[0].splitlines()
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+WHERE g.name = COALESCE({group}, g.name)
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+ORDER BY 1, 2$$, false, false, ''::text)
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+""").format(
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+ **{ k: Literal(v) for k,v in fields.items() }
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+)).fetchone()[0].splitlines()
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finally:
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conn.commit()
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response.content_type = 'application/xhtml+xml; charset=utf-8'
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return f"{heading}" + '\n'.join(xml)
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@route('/grocery/products')
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-def groups():
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+def products():
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+ fields = {
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+ 'group': None,
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+ 'category': None,
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+ }
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try:
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with conn.cursor() as cur:
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- xml = cur.execute("""
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-SELECT query_to_xml_and_xmlschema('SELECT
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+ fields.update({
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+ k: request.query[k] for k in request.query.keys() if k in ('group', 'category')
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+ })
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+ xml = cur.execute(SQL("""
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+SELECT query_to_xml_and_xmlschema($$SELECT
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p.name AS "Product",
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c.name AS "Category",
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g.name AS "Group"
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FROM products p
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JOIN categories c ON p.category_id = c.id
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JOIN groups g ON c.group_id = g.id
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-ORDER BY 1, 2, 3', false, false, ''::text)
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-""").fetchone()[0].splitlines()
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+WHERE
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+ g.name = COALESCE({group}, g.name)
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+AND
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+ c.name = COALESCE({category}, c.name)
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+ORDER BY 1, 2, 3$$, false, false, ''::text)
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+""").format(
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+ **{ k: Literal(v) for k,v in fields.items() }
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+)).fetchone()[0].splitlines()
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finally:
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conn.commit()
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response.content_type = 'application/xhtml+xml; charset=utf-8'
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Pi