From 295b00f36011c911efb6bc03a905e234a5d45fdf Mon Sep 17 00:00:00 2001
From: Laurence Isla <lau.isla.c@gmail.com>
Date: Fri, 21 Jun 2024 20:38:33 -0500
Subject: [PATCH] docs: use PlantUML instead of Latex to generate Schema
 Isolation image

---
 docs/_diagrams/uml/dark/sch-iso-dark.uml |   3 +++
 docs/_diagrams/uml/sch-iso.uml           |  29 +++++++++++++++++++++++
 docs/_static/arch-dark.svg               |   2 +-
 docs/_static/css/custom.css              |   4 ++++
 docs/_static/db.png                      | Bin 6799 -> 0 bytes
 docs/_static/sch-iso-dark.svg            |   1 +
 docs/_static/sch-iso.svg                 |   1 +
 docs/explanations/schema_isolation.rst   |  16 +++++++++++--
 8 files changed, 53 insertions(+), 3 deletions(-)
 create mode 100644 docs/_diagrams/uml/dark/sch-iso-dark.uml
 create mode 100644 docs/_diagrams/uml/sch-iso.uml
 delete mode 100644 docs/_static/db.png
 create mode 100644 docs/_static/sch-iso-dark.svg
 create mode 100644 docs/_static/sch-iso.svg

diff --git a/docs/_diagrams/uml/dark/sch-iso-dark.uml b/docs/_diagrams/uml/dark/sch-iso-dark.uml
new file mode 100644
index 000000000..df4220bb8
--- /dev/null
+++ b/docs/_diagrams/uml/dark/sch-iso-dark.uml
@@ -0,0 +1,3 @@
+@startuml
+!include ../sch-iso.uml
+@enduml
diff --git a/docs/_diagrams/uml/sch-iso.uml b/docs/_diagrams/uml/sch-iso.uml
new file mode 100644
index 000000000..30fb808c8
--- /dev/null
+++ b/docs/_diagrams/uml/sch-iso.uml
@@ -0,0 +1,29 @@
+@startuml
+
+skinparam backgroundColor transparent
+skinparam linetype ortho
+
+skinparam node {
+  backgroundColor transparent
+  borderThickness 1
+}
+
+database "PostgreSQL" {
+  node public {
+    rectangle tables_public as "tables"
+  }
+
+  node extensions as "**extensions**" {
+  }
+
+  node API as "<size:20>api" {
+    rectangle vf_api as "views + functions"
+  }
+
+  tables_public <-- vf_api
+  extensions <-- vf_api
+}
+
+vf_api <-[thickness=3]-> () PostgREST
+
+@enduml
diff --git a/docs/_static/arch-dark.svg b/docs/_static/arch-dark.svg
index 31c19df5e..f55c127c4 100644
--- a/docs/_static/arch-dark.svg
+++ b/docs/_static/arch-dark.svg
@@ -1 +1 @@
-<?xml version="1.0" encoding="us-ascii" standalone="no"?><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" contentStyleType="text/css" height="678px" preserveAspectRatio="none" style="width:1468px;height:678px;" version="1.1" viewBox="0 0 1468 678" width="1468px" zoomAndPan="magnify"><defs/><g><!--cluster PostgREST--><g id="cluster_PostgREST"><path d="M163.5,131.57 L238.4375,131.57 A3.75,3.75 0 0 1 240.9375,134.07 L247.9375,156.6379 L771.5,156.6379 A2.5,2.5 0 0 1 774,159.1379 L774,536.2 A2.5,2.5 0 0 1 771.5,538.7 L163.5,538.7 A2.5,2.5 0 0 1 161,536.2 L161,134.07 A2.5,2.5 0 0 1 163.5,131.57 " fill="none" style="stroke:#FFFFFF;stroke-width:1.5;"/><line style="stroke:#FFFFFF;stroke-width:1.5;" x1="161" x2="247.9375" y1="156.6379" y2="156.6379"/><text fill="#FFFFFF" font-family="sans-serif" font-size="14" font-weight="bold" lengthAdjust="spacing" textLength="73.9375" x="165" y="148.5359">PostgREST</text></g><!--cluster PostgreSQL--><g 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x="541.5" y="484.63"/><text fill="#FFFFFF" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="29" x="509.5" y="508.5959">Plan</text></g><!--entity Query--><g id="elem_Query"><rect fill="#313139" height="49.0679" rx="2.5" ry="2.5" style="stroke:#E7E7E7;stroke-width:0.5;" width="81" x="598.5" y="473.63"/><rect fill="#313139" height="10" style="stroke:#E7E7E7;stroke-width:0.5;" width="15" x="659.5" y="478.63"/><rect fill="#313139" height="2" style="stroke:#E7E7E7;stroke-width:0.5;" width="4" x="657.5" y="480.63"/><rect fill="#313139" height="2" style="stroke:#E7E7E7;stroke-width:0.5;" width="4" x="657.5" y="484.63"/><text fill="#FFFFFF" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="41" x="613.5" y="508.5959">Query</text></g><!--entity Connection Pool--><g id="elem_Connection Pool"><a href="../references/connection_pool.html" target="_top" title="../references/connection_pool.html" xlink:actuate="onRequest" xlink:href="../references/connection_pool.html" xlink:show="new" xlink:title="../references/connection_pool.html" xlink:type="simple"><ellipse cx="749" cy="498.17" fill="#313139" rx="8" ry="8" style="stroke:#E7E7E7;stroke-width:0.5;"/><text fill="#FFFFFF" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="108" x="695" y="530.1359">Connection Pool</text></a></g><!--entity Schema Cache--><g id="elem_Schema Cache"><a href="../references/schema_cache.html#schema-cache" target="_top" title="../references/schema_cache.html#schema-cache" xlink:actuate="onRequest" xlink:href="../references/schema_cache.html#schema-cache" xlink:show="new" xlink:title="../references/schema_cache.html#schema-cache" xlink:type="simple"><rect fill="#313139" height="49.0679" rx="2.5" ry="2.5" style="stroke:#E7E7E7;stroke-width:0.5;" width="138" x="521" y="191.57"/><rect fill="#313139" height="10" style="stroke:#E7E7E7;stroke-width:0.5;" width="15" x="639" y="196.57"/><rect fill="#313139" 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title="https://aosabook.org/en/posa/warp.html" xlink:actuate="onRequest" xlink:href="https://aosabook.org/en/posa/warp.html" xlink:show="new" xlink:title="https://aosabook.org/en/posa/warp.html" xlink:type="simple"><ellipse cx="305" cy="216.1" fill="#313139" rx="8" ry="8" style="stroke:#E7E7E7;stroke-width:0.5;"/><text fill="#FFFFFF" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="34" x="288" y="248.0659">HTTP</text></a></g><!--entity Admin--><g id="elem_Admin"><a href="../references/admin_server.html#admin-server" target="_top" title="../references/admin_server.html#admin-server" xlink:actuate="onRequest" xlink:href="../references/admin_server.html#admin-server" xlink:show="new" xlink:title="../references/admin_server.html#admin-server" xlink:type="simple"><rect fill="#313139" height="49.0679" rx="2.5" ry="2.5" style="stroke:#E7E7E7;stroke-width:0.5;" width="84" x="177" y="191.57"/><rect fill="#313139" height="10" style="stroke:#E7E7E7;stroke-width:0.5;" 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diff --git a/docs/_static/css/custom.css b/docs/_static/css/custom.css
index 0839457dc..c71e0deb2 100644
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diff --git a/docs/_static/sch-iso-dark.svg b/docs/_static/sch-iso-dark.svg
new file mode 100644
index 000000000..bf6c8a0d5
--- /dev/null
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@@ -0,0 +1 @@
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diff --git a/docs/_static/sch-iso.svg b/docs/_static/sch-iso.svg
new file mode 100644
index 000000000..0a54cba0f
--- /dev/null
+++ b/docs/_static/sch-iso.svg
@@ -0,0 +1 @@
+<?xml version="1.0" encoding="us-ascii" standalone="no"?><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" contentStyleType="text/css" height="411px" preserveAspectRatio="none" style="width:315px;height:411px;" version="1.1" viewBox="0 0 315 411" width="315px" zoomAndPan="magnify"><defs/><g><!--cluster PostgreSQL--><g id="cluster_PostgreSQL"><path d="M6,16 C6,6 152,6 152,6 C152,6 298,6 298,16 L298,309.14 C298,319.14 152,319.14 152,319.14 C152,319.14 6,319.14 6,309.14 L6,16 " fill="none" style="stroke:#181818;stroke-width:1.0;"/><path d="M6,16 C6,26 152,26 152,26 C152,26 298,26 298,16 " fill="none" style="stroke:#181818;stroke-width:1.0;"/><text fill="#000000" font-family="sans-serif" font-size="14" font-weight="bold" lengthAdjust="spacing" textLength="81.375" x="111.3125" y="42.9659">PostgreSQL</text></g><!--cluster public--><g id="cluster_public"><polygon fill="none" points="30,77,40,67,150,67,150,155.07,140,165.07,30,165.07,30,77" 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diff --git a/docs/explanations/schema_isolation.rst b/docs/explanations/schema_isolation.rst
index 6c8240108..a70f34e93 100644
--- a/docs/explanations/schema_isolation.rst
+++ b/docs/explanations/schema_isolation.rst
@@ -8,6 +8,18 @@ A PostgREST instance exposes all the tables, views, and functions of a single `P
 It is recommended that you don't expose tables on your API schema. Instead expose views and functions which insulate the internal details from the outside world.
 This allows you to change the internals of your schema and maintain backwards compatibility. It also keeps your code easier to refactor, and provides a natural way to do API versioning.
 
-.. container:: img-translucent
+.. container:: svg-container-md
 
-  .. image:: ../_static/db.png
+  .. container:: img-dark
+
+    .. See https://github.com/sphinx-doc/sphinx/issues/2240#issuecomment-187366626
+
+    .. raw:: html
+
+      <object width="100%" data="../_static/sch-iso-dark.svg" type="image/svg+xml"></object>
+
+  .. container:: img-light
+
+    .. raw:: html
+
+      <object width="100%" data="../_static/sch-iso.svg" type="image/svg+xml"></object>