feat: allow exporting contents modified after a given date

Author: erral

CHANGES.rst

@@ -5,7 +5,8 @@ Changelog
 1.16 (unreleased)
 -----------------
 
-- Nothing changed yet.
+- Allow exporting contents modified after a given date.
+  [erral]
 
 
 1.15 (2025-07-15)

src/collective/exportimport/export_content.py

@@ -26,6 +26,8 @@
 from zope.interface import alsoProvides
 from zope.interface import noLongerProvides
 from zope.schema import getFields
+from DateTime import DateTime
+from DateTime.interfaces import SyntaxError, DateError
 
 import json
 import logging
@@ -123,11 +125,19 @@ def __call__(
         migration=False,
         include_revisions=False,
         write_errors=False,
+        modified=None,
     ):
         self.portal_type = portal_type or []
         if isinstance(self.portal_type, str):
             self.portal_type = [self.portal_type]
 
+        self.modified_datetime = None
+        if modified:
+            try:
+                self.modified_datetime = DateTime(modified, fmt="international")
+            except (DateError, SyntaxError):
+                logger.info("Invalid datetime: %s", modified)
+
         # Should we adapt the data for migration?
         # We had migration=True by default at first.  Problem is that when you
         # uncheck the migration box in the form, it does not end up in the
@@ -341,6 +351,12 @@ def build_query(self):
             "sort_on": "path",
             "path": {"query": self.path, "depth": self.depth},
         }
+
+        if self.modified_datetime is not None:
+            query.update(
+                {"modified": {"query": self.modified_datetime, "range": "min"}}
+            )
+
         # custom setting per type
         for portal_type in self.portal_type:
             query.update(self.QUERY.get(portal_type, {}))

src/collective/exportimport/templates/export_content.pt

@@ -62,6 +62,14 @@
               </div>
             </div>
 
+            <div class="field mb-3">
+              <label for="modified" i18n:translate="">Modification date</label>
+              <span class="formHelp" i18n:translate="">If a value is entered, it will search for items modified after the entered date. Format: YYYY-MM-DD </span>
+              <div class="widget">
+                <input type="text" name="modified" id="modified" placeholder="YYYY-MM-DD" value=""/>
+              </div>
+            </div>
+
             <div class="field mb-3">
               <label for="path" i18n:translate="">Path</label>
               <div class="widget">

src/collective/exportimport/tests/test_export.py

@@ -16,6 +16,7 @@
 from zope.component import getUtility
 from zope.intid.interfaces import IIntIds
 from zope.lifecycleevent import modified
+from DateTime import DateTime
 
 import json
 import os
@@ -865,3 +866,176 @@ def test_export_blob_as_download_urls(self):
             info["file"]["download"], "http://nohost/plone/file1/@@download/file"
         )
         self.assertEqual(info["file"]["size"], 8561)
+
+    def test_export_modified_items(self):
+        """test that we can export items modified after a given datetime"""
+        app = self.layer["app"]
+        portal = self.layer["portal"]
+        login(app, SITE_OWNER_NAME)
+        folder1 = api.content.create(
+            container=portal, type="Folder", id="folder1", title="Folder 1"
+        )
+        folder1.modification_date = DateTime("2000-01-01", fmt="international")
+        doc1 = api.content.create(
+            container=portal, type="Document", id="doc1", title="Document 1"
+        )
+        doc1.modification_date = DateTime("2000-01-02", fmt="international")
+        doc2 = api.content.create(
+            container=portal, type="Document", id="doc2", title="Document 2"
+        )
+        doc2.modification_date = DateTime("2000-01-03", fmt="international")
+
+        doc3 = api.content.create(
+            container=portal, type="Document", id="doc3", title="Document 3"
+        )
+        doc3.modification_date = DateTime("2000-01-04", fmt="international")
+
+        transaction.commit()
+
+        # Now export complete portal.
+        browser = self.open_page("@@export_content")
+        portal_type = browser.getControl(name="portal_type")
+        self.assertEqual(portal_type.value, [])
+        portal_type.value = ["Folder", "Document"]
+
+        path = browser.getControl(label="Path")
+        self.assertEqual(path.value, "/plone")
+
+        modification_date = browser.getControl(label="Modification date")
+        modification_date.value = "2000-01-03"
+
+        depth = browser.getControl(name="depth")
+        self.assertEqual(depth.value, ["-1"])
+
+        try:
+            # Plone 5.2
+            browser.getControl("Export").click()
+            contents = browser.contents
+        except LookupError:
+            # Plone 5.1 and lower
+            browser.getForm(index=1).submit()
+            if not browser.contents:
+                contents = DATA[-1]
+
+        # We should have gotten json.
+        data = json.loads(contents)
+        self.assertEqual(len(data), 2)
+
+        # Check a few important keys.
+        info = data[0]
+        self.assertEqual(info["@id"], portal.absolute_url() + "/doc2")
+        self.assertEqual(info["@type"], "Document")
+        self.assertEqual(info["title"], doc2.Title())
+
+        info = data[1]
+        self.assertEqual(info["@id"], portal.absolute_url() + "/doc3")
+        self.assertEqual(info["@type"], "Document")
+        self.assertEqual(info["title"], doc3.Title())
+
+    def test_wrong_modified_format(self):
+        """test that if we enter an invalid datetime we get all the items"""
+        app = self.layer["app"]
+        portal = self.layer["portal"]
+        login(app, SITE_OWNER_NAME)
+        folder1 = api.content.create(
+            container=portal, type="Folder", id="folder1", title="Folder 1"
+        )
+        folder1.modification_date = DateTime("2000-01-01", fmt="international")
+        doc1 = api.content.create(
+            container=portal, type="Document", id="doc1", title="Document 1"
+        )
+        doc1.modification_date = DateTime("2000-01-02", fmt="international")
+        doc2 = api.content.create(
+            container=portal, type="Document", id="doc2", title="Document 2"
+        )
+        doc2.modification_date = DateTime("2000-01-03", fmt="international")
+
+        doc3 = api.content.create(
+            container=portal, type="Document", id="doc3", title="Document 3"
+        )
+        doc3.modification_date = DateTime("2000-01-04", fmt="international")
+
+        transaction.commit()
+
+        # Now export complete portal.
+        browser = self.open_page("@@export_content")
+        portal_type = browser.getControl(name="portal_type")
+        self.assertEqual(portal_type.value, [])
+        portal_type.value = ["Folder", "Document"]
+
+        path = browser.getControl(label="Path")
+        self.assertEqual(path.value, "/plone")
+
+        modification_date = browser.getControl(label="Modification date")
+        modification_date.value = "2000-25-01"
+
+        depth = browser.getControl(name="depth")
+        self.assertEqual(depth.value, ["-1"])
+
+        try:
+            # Plone 5.2
+            browser.getControl("Export").click()
+            contents = browser.contents
+        except LookupError:
+            # Plone 5.1 and lower
+            browser.getForm(index=1).submit()
+            if not browser.contents:
+                contents = DATA[-1]
+
+        # We should have gotten json.
+        data = json.loads(contents)
+        self.assertEqual(len(data), 4)
+
+    def test_non_datetime_modified_format(self):
+        """test that if we enter a non-datetime value in modified field we get all the items"""
+        app = self.layer["app"]
+        portal = self.layer["portal"]
+        login(app, SITE_OWNER_NAME)
+        folder1 = api.content.create(
+            container=portal, type="Folder", id="folder1", title="Folder 1"
+        )
+        folder1.modification_date = DateTime("2000-01-01", fmt="international")
+        doc1 = api.content.create(
+            container=portal, type="Document", id="doc1", title="Document 1"
+        )
+        doc1.modification_date = DateTime("2000-01-02", fmt="international")
+        doc2 = api.content.create(
+            container=portal, type="Document", id="doc2", title="Document 2"
+        )
+        doc2.modification_date = DateTime("2000-01-03", fmt="international")
+
+        doc3 = api.content.create(
+            container=portal, type="Document", id="doc3", title="Document 3"
+        )
+        doc3.modification_date = DateTime("2000-01-04", fmt="international")
+
+        transaction.commit()
+
+        # Now export complete portal.
+        browser = self.open_page("@@export_content")
+        portal_type = browser.getControl(name="portal_type")
+        self.assertEqual(portal_type.value, [])
+        portal_type.value = ["Folder", "Document"]
+
+        path = browser.getControl(label="Path")
+        self.assertEqual(path.value, "/plone")
+
+        modification_date = browser.getControl(label="Modification date")
+        modification_date.value = "Plone"
+
+        depth = browser.getControl(name="depth")
+        self.assertEqual(depth.value, ["-1"])
+
+        try:
+            # Plone 5.2
+            browser.getControl("Export").click()
+            contents = browser.contents
+        except LookupError:
+            # Plone 5.1 and lower
+            browser.getForm(index=1).submit()
+            if not browser.contents:
+                contents = DATA[-1]
+
+        # We should have gotten json.
+        data = json.loads(contents)
+        self.assertEqual(len(data), 4)