Work

app.py

@@ -2,7 +2,6 @@
 
 from flask import Flask, redirect, request, render_template, send_from_directory
 import json
-import os
 from os.path import join
 import uuid
 from . import db, config, scanner, calibration
@@ -21,8 +20,7 @@ def hello_world():
 def create_object():
     conn = db.get()
     with conn:
-        object = db.Object.create(request.form.get('name'), conn)
-        os.makedirs(join(config.DATA_DIR, str(object.id), 'previews'))
+        db.Object.create(request.form.get('name'), conn)
         return redirect('/')
 
 
@@ -30,8 +28,14 @@ def create_object():
 def object(id: int):
     conn = db.get()
     object = db.Object.get_from_id(id, conn)
-    calibration = object.calibration(conn)
-    return render_template('object.html', object=object, calibration=calibration)
+    return render_template('object.html', object=object)
+
+
+@app.route('/scan/<id>')
+def scan(id: int):
+    conn = db.get()
+    object = db.Object.get_from_id(id, conn)
+    return render_template('object.html', object=object)
 
 
 @app.route("/calibrate/<id>")

db.py

@@ -37,15 +37,6 @@ def init_app(app):
     app.cli.add_command(init)
 
 
-if __name__ == '__main__':
-    db = sqlite3.connect(
-        os.environ.get('DATABASE_PATH', 'db.sqlite'),
-        detect_types=sqlite3.PARSE_DECLTYPES,
-    )
-    db.row_factory = sqlite3.Row
-    init(db)
-
-
 class CalibrationState(IntEnum):
     Empty = 0
     HasData = 1
@@ -91,36 +82,72 @@ class Calibration:
         return Calibration.from_row(response.fetchone())
 
 
-class Object:
+class Acquisition:
     @staticmethod
     def select_args() -> str:
-        return 'id, name, calibration_id'
+        return 'id, calibration_id, object_id'
 
-    def __init__(self, object_id: int, name: str, calibration: int):
+    def __init__(self, acquisition_id: int, calibration_id: int, object_id: int):
         self.id = object_id
-        self.name = name
-        self.calibration_id = calibration
-
-    @staticmethod
-    def create(name: str, db: sqlite3.Connection) -> 'Object':
-        cur = db.cursor()
-        response = cur.execute(
-            'INSERT INTO object(name, calibration_id) VALUES (?, ?) RETURNING ' + Object.select_args() + ';',
-            [name, None]
-        )
-        return Object.from_row(response.fetchone())
+        self.calibration_id = calibration_id
+        self.object_id = object_id
 
     def save(self, db: sqlite3.Connection):
         cur = db.cursor()
         cur.execute(
-            'UPDATE object SET name = ?, calibration_id = ? WHERE id = ?',
-            [self.name, self.calibration_id, self.id]
+            'UPDATE acquisition SET calibration_id = ?, object_id = ? WHERE id = ?',
+            [self.calibration_id, self.objct_id, self.id]
+        )
+
+    @staticmethod
+    def from_row(row: sqlite3.Row) -> 'Acquisition':
+        return Acquisition(*row)
+
+    @staticmethod
+    def get_from_id(acquisition_id: int, db: sqlite3.Connection) -> Optional['Acquisition']:
+        cur = db.cursor()
+        response = cur.execute(
+            'SELECT ' + Acquisition.select_args() + ' FROM acquisition WHERE id = ?;',
+            [acquisition_id]
+        )
+        return Acquisition.from_row(response.fetchone())
+
+    def calibration(self, db: sqlite3.Connection) -> Optional[Calibration]:
+        if self.calibration_id is None:
+            return None
+
+        return Calibration.get_from_id(self.calibration_id, db)
+
+
+class Object:
+    @staticmethod
+    def select_args() -> str:
+        return 'id, name'
+
+    def __init__(self, object_id: int, name: str):
+        self.id = object_id
+        self.name = name
+
+    def save(self, db: sqlite3.Connection):
+        cur = db.cursor()
+        cur.execute(
+            'UPDATE object SET name = ? WHERE id = ?',
+            [self.name, self.id]
         )
 
     @staticmethod
     def from_row(row: sqlite3.Row) -> 'Object':
         return Object(*row)
 
+    @staticmethod
+    def create(name: str, db: sqlite3.Connection) -> 'Object':
+        cur = db.cursor()
+        response = cur.execute(
+            'INSERT INTO object(name) VALUES (?) RETURNING ' + Object.select_args() + ';',
+            [name]
+        )
+        return Object.from_row(response.fetchone())
+
     @staticmethod
     def get_from_id(object_id: int, db: sqlite3.Connection) -> Optional['Object']:
         cur = db.cursor()
@@ -139,8 +166,45 @@ class Object:
         )
         return list(map(Object.from_row, response.fetchall()))
 
-    def calibration(self, db: sqlite3.Connection) -> Optional[Calibration]:
-        if self.calibration_id is None:
-            return None
+    def add_acquisition(self, calibration_id: int, db: sqlite3.Connection) -> Acquisition:
+        cur = db.cursor()
+        response = cur.execute(
+            'INSERT INTO acquisition(calibration_id, object_id) VALUES (?, ?) RETURNING ' + Acquisition.select_args() + ';',
+            [calibration_id, self.id]
+        )
+        return Acquisition.from_row(response.fetchone())
 
-        return Calibration.get_from_id(self.calibration_id, db)
+
+def main():
+    db = sqlite3.connect(
+        os.environ.get('DATABASE_PATH', 'db.sqlite'),
+        detect_types=sqlite3.PARSE_DECLTYPES,
+    )
+    db.row_factory = sqlite3.Row
+    init(db)
+
+    # Create a new object
+    with db:
+        object = Object.create('Mon premier objet', db)
+        calibration = Calibration.create(db)
+        object.add_acquisition(calibration.id, db)
+        object.add_acquisition(calibration.id, db)
+        object.add_acquisition(calibration.id, db)
+        calibration = Calibration.create(db)
+        object.add_acquisition(calibration.id, db)
+        object.add_acquisition(calibration.id, db)
+        object.add_acquisition(calibration.id, db)
+
+        object = Object.create('Mon deuxième objet', db)
+        calibration = Calibration.create(db)
+        object.add_acquisition(calibration.id, db)
+        object.add_acquisition(calibration.id, db)
+        object.add_acquisition(calibration.id, db)
+        calibration = Calibration.create(db)
+        object.add_acquisition(calibration.id, db)
+        object.add_acquisition(calibration.id, db)
+        object.add_acquisition(calibration.id, db)
+
+
+if __name__ == '__main__':
+    main()

schema.sql

@@ -1,14 +1,21 @@
-DROP TABLE IF EXISTS object;
 DROP TABLE IF EXISTS calibration;
+DROP TABLE IF EXISTS acquisition;
+DROP TABLE IF EXISTS object;
 
 CREATE TABLE calibration (
     id INTEGER PRIMARY KEY AUTOINCREMENT,
     state INTEGER NOT NULL
 );
 
+CREATE TABLE acquisition (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    calibration_id INTEGER NOT NULL,
+    object_id INTEGER NOT NULL,
+    CONSTRAINT fk_calibration FOREIGN KEY(calibration_id) REFERENCES calibration(id),
+    CONSTRAINT fk_object FOREIGN KEY(object_id) REFERENCES object(id)
+);
+
 CREATE TABLE object (
     id INTEGER PRIMARY KEY AUTOINCREMENT,
-    name TEXT NOT NULL,
-    calibration_id INTEGER,
-    CONSTRAINT fk_calibration FOREIGN KEY(calibration_id) REFERENCES calibration(id)
+    name TEXT NOT NULL
 );

templates/object.html

@@ -4,6 +4,7 @@
 <section class="section">
     <div class="container">
         <h1 class="title">{{ object.name }}</h1>
+        {#
         <div class="field is-grouped is-grouped-multiline">
             <div class="control">
                 {% if calibration is none or calibration.state == 0 %}
@@ -30,6 +31,8 @@
                 <a href="#" title="Non implémenté" disabled="disabled" class="button is-link">Utiliser le dernier étalonnage connu</a>
             </div>
         {% endif %}
+        #}
+        <a href="/scan/{{ object.id }}">Faire un scan</a>
     </div>
 </section>
 {% endblock content %}