dev: initiate paper models

apiserver/plane/db/models/paper.py

@@ -0,0 +1,45 @@
+# Django imports
+from django.db import models
+from django.conf import settings
+
+# Module imports
+from . import ProjectBaseModel
+
+
+class Paper(ProjectBaseModel):
+    name = models.CharField(max_length=255)
+    description = models.JSONField(default=dict, blank=True)
+    description_html = models.TextField(blank=True, default="<p></p>")
+    description_stripped = models.TextField(blank=True, null=True)
+    owned_by = models.ForeignKey(
+        settings.AUTH_USER_MODEL, on_delete=models.CASCADE, related_name="papers"
+    )
+    access = models.PositiveSmallIntegerField(
+        choices=((0, "Public"), (1, "Private")), default=0
+    )
+
+    class Meta:
+        verbose_name = "Paper"
+        verbose_name_plural = "Papers"
+        db_table = "papers"
+        ordering = ("-created_at",)
+
+
+class PaperBlocks(ProjectBaseModel):
+    paper = models.ForeignKey(
+        "db.Paper", on_delete=models.CASCADE, related_name="blocks"
+    )
+    name = models.CharField(max_length=255)
+    description = models.JSONField(default=dict, blank=True)
+    description_html = models.TextField(blank=True, default="<p></p>")
+    description_stripped = models.TextField(blank=True, null=True)
+    issue = models.ForeignKey(
+        "db.Issue", on_delete=models.SET_NULL, related_name="blocks", null=True
+    )
+    completed = models.BooleanField(default=False)
+
+    class Meta:
+        verbose_name = "Paper Block"
+        verbose_name_plural = "Paper Blocks"
+        db_table = "paper_blocks"
+        ordering = ("-created_at",)