feat: implement report backend storage

backend/init.sql

@@ -15,6 +15,21 @@ CREATE TABLE projects (
     public boolean NOT NULL DEFAULT false
 );
 
+CREATE TABLE reports (
+    id integer GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
+    name text NOT NULL,
+    owner_id integer NOT NULL REFERENCES users(id) ON DELETE CASCADE ON UPDATE CASCADE,
+    public boolean NOT NULL DEFAULT false
+);
+
+CREATE TABLE report_element (
+    report_id integer NOT NULL REFERENCES reports(id) ON DELETE CASCADE ON UPDATE CASCADE,
+    type text NOT NULL,
+    data text,
+    chart_id integer REFERENCES charts(id) ON DELETE CASCADE ON UPDATE CASCADE,
+    position integer NOT NULL
+);
+
 CREATE TABLE organizations (
     id integer GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
     name text NOT NULL
@@ -77,3 +92,23 @@ CREATE TABLE organization_project (
     project_uuid text NOT NULL REFERENCES projects(uuid) ON DELETE CASCADE ON UPDATE CASCADE,
     editor boolean NOT NULL DEFAULT false
 );
+
+CREATE TABLE report_project (
+    id integer GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
+    report_id integer NOT NULL REFERENCES reports(id) ON DELETE CASCADE ON UPDATE CASCADE,
+    project_uuid text NOT NULL REFERENCES projects(uuid) ON DELETE CASCADE ON UPDATE CASCADE
+);
+
+CREATE TABLE user_report (
+    id integer GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
+    user_id integer NOT NULL REFERENCES users(id) ON DELETE CASCADE ON UPDATE CASCADE,
+    report_id integer NOT NULL REFERENCES reports(id) ON DELETE CASCADE ON UPDATE CASCADE,
+    editor boolean NOT NULL DEFAULT false
+);
+
+CREATE TABLE organization_report (
+    id integer GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
+    organization_id integer NOT NULL REFERENCES organizations(id) ON DELETE CASCADE ON UPDATE CASCADE,
+    report_id integer NOT NULL REFERENCES reports(id) ON DELETE CASCADE ON UPDATE CASCADE,
+    editor boolean NOT NULL DEFAULT false
+);

backend/zeno_backend/classes/report.py

@@ -0,0 +1,52 @@
+"""Types for Zeno reports."""
+from enum import Enum
+
+from zeno_backend.classes.base import CamelModel
+
+
+class ReportElementType(Enum):
+    """Enumeration of possible report types in Zeno.
+
+    Attributes:
+        CHART: Chart element for a report.
+        TEXT: Text element for a report.
+    """
+
+    CHART = "CHART"
+    TEXT = "TEXT"
+
+
+class Report(CamelModel):
+    """Representation of a report in Zeno.
+
+    Attributes:
+        id (int): ID of the report.
+        name (str): name of the report.
+        owner_name (str): name of the creater of the report
+        linked_projects (list[str]): all projects that can be used with the report.
+        editor (bool): whether the current user can edit the report.
+        public (bool): whether the report is publically visible.
+    """
+
+    id: int
+    name: str
+    owner_name: str
+    linked_projects: list[str]
+    editor: bool
+    public: bool = False
+
+
+class ReportElement(CamelModel):
+    """Representation of an element of a Zeno report.
+
+    Attributes:
+        type (ReportElementType): what type of element this represents.
+        data (str | None): any data that the element holds.
+        chart_id (int | None): id of the chart this element is linked to.
+    """
+
+    id: int
+    type: ReportElementType
+    data: str | None
+    chart_id: int | None
+    position: int

backend/zeno_backend/database/delete.py

@@ -44,6 +44,21 @@ def project(project: str):
         db.commit()
 
 
+def report(report_id: int):
+    """Deletes a report from Zeno.
+
+    Args:
+        report_id (int): the id of the report to be deleted.
+    """
+    db = Database()
+    db.connect_execute(
+        "DELETE FROM reports WHERE id = %s;",
+        [
+            report_id,
+        ],
+    )
+
+
 def folder(folder: Folder):
     """Deletes a folder from an existing project.
 
@@ -141,3 +156,13 @@ def project_org(project: str, organization: Organization):
         "AND project_uuid = %s;",
         [organization.id, project],
     )
+
+
+def report_element(id: int):
+    """Delete an element of a report.
+
+    Args:
+        id (int): ID of the element to be deleted.
+    """
+    db = Database()
+    db.connect_execute("DELETE FROM report_element WHERE id = %s;", [id])

backend/zeno_backend/database/insert.py

@@ -308,6 +308,20 @@ def system(
         db.commit()
 
 
+def report(name: str, user: User):
+    """Adding a report to Zeno.
+
+    Args:
+        name (str): how the report is called.
+        user (User): user who created the report.
+    """
+    db = Database()
+    db.connect_execute(
+        "INSERT INTO reports (name, owner_id, public) VALUES (%s,%s,%s);",
+        [name, user.id, False],
+    )
+
+
 def folder(project: str, name: str):
     """Adding a folder to an existing project.