chore: import upstream snapshot with attribution

examples/make a geographic data application using sqlite extensions/Dockerfile

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+FROM debian:stable-slim
+
+COPY --from=lovasoa/sqlpage:main /usr/local/bin/sqlpage /usr/local/bin/sqlpage
+
+RUN apt-get update && \
+    apt-get -y install libsqlite3-mod-spatialite
+    
+COPY . .
+
+CMD ["sqlpage"]

examples/make a geographic data application using sqlite extensions/README.md

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+# Using spatialite to build a geographic data application
+
+## Introduction
+
+This is a small application that uses [spatialite](https://www.gaia-gis.it/fossil/libspatialite/index)
+to save data associated to greographic coordinates. 
+
+If you are using a postgres database, see [this other example instead](../PostGIS%20-%20using%20sqlpage%20with%20geographic%20data/),
+which implements the same application using the `PostGIS` extension.
+
+### Installation
+
+You need to install the `spatialite` extension for SQLite. On Debian, or Ubuntu, you can do it with:
+
+```bash
+sudo apt install libsqlite3-mod-spatialite
+```
+
+Then you can run this application normally with SQLPage.
+
+Notice the `sqlite_extensions` configuration parameter in [`sqlpage/sqlpage.json`](./sqlpage/sqlpage.json).
+
+## Screenshots
+
+![](./screenshots/code.png)

examples/make a geographic data application using sqlite extensions/add_point.sql

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+INSERT INTO spatial_data (title, geom, description)
+VALUES (
+    :Title,
+    MakePoint(
+        CAST(:Longitude AS REAL),
+        CAST(:Latitude AS REAL
+    ), 4326),
+    :Text
+) RETURNING 
+    'redirect' AS component,
+    'index.sql' AS link;

examples/make a geographic data application using sqlite extensions/docker-compose.yml

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+services:
+  web:
+    build: .
+    ports:
+      - "8080:8080"

examples/make a geographic data application using sqlite extensions/index.sql

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+SELECT 'shell' as component,
+    'Map' AS title,
+    '/' as link,
+    'book' as icon;
+
+SELECT 'map' AS component,
+    ST_Y(geom) AS latitude,
+    ST_X(geom) AS longitude
+FROM spatial_data
+WHERE id = $id;
+
+SELECT 'map' as component,
+    'Points of interest' as title,
+    2 as zoom,
+    700 as height;
+SELECT title,
+    ST_Y(geom) AS latitude,
+    ST_X(geom) AS longitude,
+    'point.sql?id=' || id as link,
+    'red' as color,
+    'world-pin' as icon
+FROM spatial_data;
+
+
+SELECT 'list' as component,
+    'My points' as title;
+SELECT title,
+    'point.sql?id=' || id as link,
+    'red' as color,
+    'world-pin' as icon
+FROM spatial_data;
+
+SELECT 'form' AS component,
+    'Add a point' AS title,
+    'add_point.sql' AS action;
+
+SELECT 'Title' AS name;
+SELECT 'Latitude' AS name, 'number' AS type, 0.00000001 AS step;
+SELECT 'Longitude' AS name, 'number' AS type, 0.00000001 AS step;
+SELECT 'Text' AS name, 'textarea' AS type;

examples/make a geographic data application using sqlite extensions/point.sql

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+SELECT 'shell' as component,
+    title,
+    '/' as link,
+    'index' as menu_item,
+    'book' as icon
+FROM spatial_data
+WHERE id = $id;
+
+SELECT 'datagrid' as component, title FROM spatial_data WHERE id = $id;
+
+SELECT 'Latitude' as title,
+    ST_Y(geom) as description,
+    'purple' as color,
+    'world-latitude' as icon
+FROM spatial_data WHERE id = $id;
+
+SELECT 'Longitude' as title,
+    ST_X(geom) as description,
+    'purple' as color,
+    'world-longitude' as icon
+FROM spatial_data WHERE id = $id;
+
+SELECT 'Created at' as title,
+    created_at as description,
+    'calendar' as icon,
+    'Date and time of creation' as footer
+FROM spatial_data WHERE id = $id;
+
+SELECT 'Label' as title,
+    title as description,
+    'geo:' || ST_Y(geom) || ',' || ST_X(geom) || '?z=16' AS link,
+    'blue' as color,
+    'world' as icon,
+    'User-generated point name' as footer
+FROM spatial_data
+WHERE id = $id;
+
+SELECT 'text' as component,
+    description as contents_md
+FROM spatial_data
+WHERE id = $id;
+
+SELECT 'list' as component, 'Closest points' as title;
+SELECT to_label as title,
+     ROUND(CvtToKm(distance), 3) || ' km' as description,
+     'point.sql?id=' || to_id as link,
+     'red' as color,
+     'world-pin' as icon
+FROM distances
+WHERE from_id = $id
+ORDER BY distance
+LIMIT 5;
+
+SELECT 'map' AS component,
+        ST_Y(geom) AS latitude, ST_X(geom) AS longitude
+FROM spatial_data WHERE id = $id;

examples/make a geographic data application using sqlite extensions/sqlpage/migrations/0000_create_db.sql

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+-- Create a spatialite-enabled database
+CREATE TABLE spatial_data (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    title TEXT NOT NULL,
+    geom POINT,
+    description TEXT NOT NULL,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
+
+SELECT InitSpatialMetaData();
+
+CREATE VIEW distances AS
+SELECT from_point.id AS from_id,
+    from_point.title AS from_label,
+    to_point.id AS to_id,
+    to_point.title AS to_label,
+    ST_Distance(
+        from_point.geom,
+        to_point.geom,
+        TRUE
+    ) AS distance
+FROM spatial_data AS from_point, spatial_data AS to_point
+WHERE from_point.id != to_point.id;

examples/make a geographic data application using sqlite extensions/sqlpage/sqlpage.json

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+{
+  "sqlite_extensions": ["mod_spatialite"]
+}

examples/make a geographic data application using sqlite extensions/test.hurl

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+GET http://localhost:8080/
+HTTP 200
+[Asserts]
+body contains "Points of interest"
+body contains "Add a point"
+body not contains "An error occurred"
+
+POST http://localhost:8080/add_point.sql
+[FormParams]
+Title: Hurl Paris
+Latitude: 48.8566
+Longitude: 2.3522
+Text: First Hurl point
+HTTP 302
+[Asserts]
+header "Location" == "index.sql"
+
+POST http://localhost:8080/add_point.sql
+[FormParams]
+Title: Hurl Lyon
+Latitude: 45.764
+Longitude: 4.8357
+Text: Second Hurl point
+HTTP 302
+
+GET http://localhost:8080/
+HTTP 200
+[Captures]
+paris_id: xpath "substring-after(string(//a[normalize-space(.)='Hurl Paris']/@href), 'id=')"
+[Asserts]
+body contains "Hurl Paris"
+body contains "Hurl Lyon"
+body htmlUnescape contains "point.sql?id={{paris_id}}"
+body not contains "An error occurred"
+
+GET http://localhost:8080/point.sql?id={{paris_id}}
+HTTP 200
+[Asserts]
+body contains "48.8566"
+body contains "2.3522"
+body contains "First Hurl point"
+body contains "Closest points"
+body contains "Hurl Lyon"
+body not contains "An error occurred"