Sessione

Purpose

The Sessione collection defines the structure of a user session inside the platform.
Its purpose is to track device details, viewed glasses, models tried on, catalog references, and user metrics such as measurements and engagement time.

Document schema

{
  "data_fine_user_session": "string",
  "data_inizio_sessione": "string",
  "device": "string",
  "device_id": "string",
  "device_os": "string",
  "glassesRefs": ["string"],
  "is_first_session": "boolean",
  "lineaRefs": ["string"],
  "lista_occhiali_visualizzati": [
    {
      "glassesRef": "reference",
      "lineaRef": "reference",
      "listaModelliProvati": [
        {
          "modelRef": "reference",
          "tagliaRef": "reference",
          "timeStart": "string",
          "totalSeconds": "number"
        }
      ],
      "nome_occhiale": "string"
    }
  ],
  "modelRefs": ["string"],
  "ref_catalogo": "reference",
  "total_time": "number",
  "user_metrics": {
    "listaMetric": [
      {
        "metricDescription": "string",
        "metricDescriptionEn": "string",
        "metricResult": "number",
        "metricTitle": "string",
        "point1": "number",
        "point2": "number",
        "totalMetric": "number"
      }
    ],
    "listaMetricPupil": ["object"],
    "totalFrame": "number",
    "totalFrameNotDetected": "number"
  }
}

Indexes

• glassesRefs is a [] of strings that refer to the IDs of the Occhiale collection;
• lineaRefs is a [] of strings that refer to the IDs of the Linea collection;
• lista_occhiali_visualizzati.glassesRef is a reference to the Occhiale collection;
• lista_occhiali_visualizzati.lineaRef is a reference to the Linea collection;
• lista_occhiali_visualizzati.listaModelliProvati.modelRef is a reference to the Modello collection;
• lista_occhiali_visualizzati.listaModelliProvati.tagliaRef is a reference to the Taglia collection;
• modelRefs is a [] of strings that refer to the IDs of the Modello collection;
• ref_catalogo is a reference to the Brand collection.

Query examples

// Fetch a specific session by ID
const sessionRef = doc(db, "Sessione", sessionId);
const sessionSnap = await getDoc(sessionRef);

// Query sessions by brand
const sessionsByCatalog = query(
  collection(db, "Sessione"),
  where("ref_catalogo", "==", brandId)
);

// Get all glasses tried in a session
const glassesTried = query(
  collection(db, "Sessione"),
  where("glassesRefs", "array-contains", glassesId)
);