From 7dc382519187e32856f494af76248fa93aef7770 Mon Sep 17 00:00:00 2001
From: Bryan Newbold <bnewbold@archive.org>
Date: Tue, 3 Nov 2020 19:28:21 -0800
Subject: persist: XML and HTML persist workers

---
 python/sandcrawler/persist.py | 77 +++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 74 insertions(+), 3 deletions(-)

(limited to 'python/sandcrawler/persist.py')

diff --git a/python/sandcrawler/persist.py b/python/sandcrawler/persist.py
index aa05195..81cf664 100644
--- a/python/sandcrawler/persist.py
+++ b/python/sandcrawler/persist.py
@@ -95,7 +95,7 @@ class PersistIngestFileResultWorker(SandcrawlerWorker):
             if not k in raw:
                 self.counts['skip-request-fields'] += 1
                 return None
-        if raw['ingest_type'] not in ('pdf', 'xml'):
+        if raw['ingest_type'] not in ('pdf', 'xml', 'html'):
             print(raw['ingest_type'])
             self.counts['skip-ingest-type'] += 1
             return None
@@ -121,7 +121,7 @@ class PersistIngestFileResultWorker(SandcrawlerWorker):
         return request
             
 
-    def file_result_to_row(self, raw):
+    def file_result_to_row(self, raw: dict) -> Optional[dict]:
         """
         Converts ingest-result JSON schema (eg, from Kafka) to SQL ingest_file_result schema
 
@@ -137,7 +137,7 @@ class PersistIngestFileResultWorker(SandcrawlerWorker):
         ingest_type = raw['request'].get('ingest_type')
         if ingest_type == 'file':
             ingest_type = 'pdf'
-        if ingest_type not in ('pdf', 'xml'):
+        if ingest_type not in ('pdf', 'xml', 'html'):
             self.counts['skip-ingest-type'] += 1
             return None
         if raw['status'] in ("existing", ):
@@ -159,6 +159,9 @@ class PersistIngestFileResultWorker(SandcrawlerWorker):
             result['terminal_sha1hex'] = terminal.get('terminal_sha1hex')
         return result
 
+    def result_to_html_meta(self, record: dict) -> Optional[dict]:
+        raise NotImplementedError()
+
     def push_batch(self, batch):
         self.counts['total'] += len(batch)
 
@@ -197,6 +200,12 @@ class PersistIngestFileResultWorker(SandcrawlerWorker):
             self.counts['insert-file_meta'] += resp[0]
             self.counts['update-file_meta'] += resp[1]
 
+        html_meta_batch = [self.result_to_html_meta(r) for r in batch if r.get('hit') and r.get('html_meta')]
+        if html_meta_batch:
+            resp = self.db.insert_html_meta(self.cur, html_meta_batch, on_conflict="nothing")
+            self.counts['insert-html_meta'] += resp[0]
+            self.counts['update-html_meta'] += resp[1]
+
         self.db.commit()
         return []
 
@@ -489,3 +498,65 @@ class PersistThumbnailWorker(SandcrawlerWorker):
         )
         self.counts['s3-put'] += 1
 
+
+class GenericPersistDocWorker(SandcrawlerWorker):
+    """
+    Pushes blobs from Kafka to S3.
+
+    Objects are assumed to be JSON-wrapped strings.
+    """
+
+    def __init__(self, **kwargs):
+        super().__init__()
+        self.s3 = SandcrawlerMinioClient(
+            host_url=kwargs.get('s3_url', 'localhost:9000'),
+            access_key=kwargs['s3_access_key'],
+            secret_key=kwargs['s3_secret_key'],
+            default_bucket=kwargs['s3_bucket'],
+        )
+        self.s3_extension = kwargs.get('s3_extension', ".unknown")
+        self.s3_folder = kwargs.get('s3_folder', "unknown")
+        self.doc_key = "unknown"
+
+    def process(self, record: dict, key: Optional[str] = None) -> None:
+
+        if record.get('status') != 'success' or not record.get(self.doc_key):
+            return
+
+        assert key is not None and len(key) == 40 and isinstance(key, str)
+        if 'sha1hex' in record:
+            assert key == record['sha1hex']
+
+        resp = self.s3.put_blob(
+            folder=self.s3_folder,
+            blob=record[self.doc_key].encode('utf-8'),
+            sha1hex=key,
+            extension=self.s3_extension,
+        )
+        self.counts['s3-put'] += 1
+
+
+class PersistXmlDocWorker(GenericPersistDocWorker):
+    """
+    Pushes TEI-XML file to blob store (S3/seaweed/minio). Does not talk to
+    sandcrawler database (SQL).
+    """
+
+    def __init__(self, **kwargs):
+        super().__init__(**kwargs)
+        self.s3_extension = kwargs.get('s3_extension', ".jats.xml")
+        self.s3_folder = kwargs.get('s3_folder', "xml_doc")
+        self.doc_key = "jats_xml"
+
+
+class PersistHtmlTeiXmlWorker(GenericPersistDocWorker):
+    """
+    Pushes TEI-XML file to blob store (S3/seaweed/minio). Does not talk to
+    sandcrawler database (SQL).
+    """
+
+    def __init__(self, **kwargs):
+        super().__init__(**kwargs)
+        self.s3_extension = kwargs.get('s3_extension', ".tei.xml")
+        self.s3_folder = kwargs.get('s3_folder', "html_body")
+        self.doc_key = "tei_xml"
-- 
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