6 files changed, 224 insertions, 2 deletions
diff --git a/python/fatcat_web/forms.py b/python/fatcat_web/forms.py
index 206c5087..bd4e4bbd 100644
--- a/python/fatcat_web/forms.py
+++ b/python/fatcat_web/forms.py
@@ -363,3 +363,50 @@ class FileEntityForm(EntityEditForm):
         if self.edit_description.data:
             fe.edit_extra = dict(description=self.edit_description.data)
 
+INGEST_TYPE_OPTIONS = [
+    ('pdf', 'PDF Fulltext'),
+    ('html', 'HTML Fulltext'),
+    ('xml', 'XML Fulltext'),
+]
+
+class SavePaperNowForm(FlaskForm):
+
+    base_url = StringField(
+        "URL",
+        [validators.DataRequired(),
+         validators.URL()])
+    ingest_type = SelectField(
+        "Content Type",
+        [validators.DataRequired()],
+        choices=INGEST_TYPE_OPTIONS,
+        default='pdf')
+    release_stage = SelectField(
+        "Publication Stage",
+        [validators.DataRequired()],
+        choices=release_stage_options,
+        default='')
+
+    def to_ingest_request(self, release, actor='savepapernow-web'):
+        base_url = self.base_url.data
+        ext_ids = release.ext_ids.to_dict()
+        # by default this dict has a bunch of empty values
+        ext_ids = dict([(k, v) for (k, v) in ext_ids.items() if v])
+        ingest_request = {
+            'ingest_type': self.ingest_type.data,
+            'ingest_request_source': actor, # TODO: deprecate?
+            'actor': actor,
+            'base_url': base_url,
+            'fatcat': {
+                'release_stage': release.release_stage,
+                'release_ident': release.ident,
+                'work_ident': release.work_id,
+            },
+            'ext_ids': ext_ids,
+        }
+        if self.release_stage.data:
+            ingest_request['release_stage'] = self.release_stage.data
+        if release.ext_ids.doi and base_url == "https://doi.org/{}".format(release.ext_ids.doi):
+            ingest_request['source'] = 'doi'
+            ingest_request['source_id'] = release.ext_ids.doi
+        return ingest_request
+
diff --git a/python/fatcat_web/kafka.py b/python/fatcat_web/kafka.py
new file mode 100644
index 00000000..895e719f
--- /dev/null
+++ b/python/fatcat_web/kafka.py
@@ -0,0 +1,34 @@
+
+import requests
+
+from fatcat_web import Config
+
+
+def kafka_pixy_produce(topic, msg, key=None, sync=True, timeout=5):
+    """
+    Simple helper to public a message to the given Kafka topic, via the
+    configured kafka-pixy HTTP gateway
+
+    topic: string
+    msg: string
+    key: optional, bytes
+    timeout: seconds
+    """
+
+    if not Config.KAFKA_PIXY_ENDPOINT:
+        raise Exception("Kafka produce error: kafka-pixy endpoint not configured")
+
+    params = dict()
+    if key:
+        params['key'] = key
+    if sync:
+        params['sync'] = True
+    resp = requests.post(
+        "{}/topics/{}/messages".format(Config.KAFKA_PIXY_ENDPOINT, topic),
+        params=params,
+        data=msg,
+        headers={"Content-Type": "text/plain"},
+        timeout=timeout,
+    )
+    resp.raise_for_status()
+    print(resp.json())
diff --git a/python/fatcat_web/routes.py b/python/fatcat_web/routes.py
index a41f388d..cc0af5cc 100644
--- a/python/fatcat_web/routes.py
+++ b/python/fatcat_web/routes.py
@@ -1,5 +1,6 @@
 
 import os
+import sys
 import json
 from flask import Flask, render_template, make_response, send_from_directory, \
     request, url_for, abort, g, redirect, jsonify, session, flash, Response
@@ -10,12 +11,14 @@ from fatcat_openapi_client import Editgroup, EditgroupAnnotation
 from fatcat_openapi_client.rest import ApiException
 from fatcat_tools.transforms import *
 from fatcat_tools.normal import *
-from fatcat_web import app, api, auth_api, priv_api, mwoauth
+from fatcat_web import app, api, auth_api, priv_api, mwoauth, Config
 from fatcat_web.auth import handle_token_login, handle_logout, load_user, handle_ia_xauth, handle_wmoauth
 from fatcat_web.cors import crossdomain
 from fatcat_web.search import *
 from fatcat_web.entity_helpers import *
 from fatcat_web.graphics import *
+from fatcat_web.kafka import *
+from fatcat_web.forms import SavePaperNowForm
 
 
 ### Generic Entity Views ####################################################
@@ -628,6 +631,43 @@ def reviewable_view():
         abort(ae.status)
     return render_template('editgroup_reviewable.html', entries=entries)
 
+@app.route('/release/<ident>/save', methods=['GET', 'POST'])
+def release_save(ident):
+
+    form = SavePaperNowForm()
+
+    # lookup release ident, ensure it exists
+    try:
+        release = api.get_release(ident)
+    except ApiException as ae:
+        abort(ae.status)
+
+    if not Config.KAFKA_PIXY_ENDPOINT:
+        return render_template('release_save.html', entity=release, form=form, spn_status='not-configured'), 501
+
+    if form.is_submitted():
+        if form.validate_on_submit():
+            # got a valid spn request! try to send to kafka-pixy
+            msg = form.to_ingest_request(release)
+            try:
+                kafka_pixy_produce(
+                    Config.KAFKA_SAVEPAPERNOW_TOPIC,
+                    json.dumps(msg),
+                )
+            except Exception as e:
+                print(e, file=sys.stderr)
+                return render_template('release_save.html', entity=release, form=form, spn_status='kafka-error'), 500
+            return render_template('release_save.html', entity=release, form=form, spn_status='success'), 200
+        elif form.errors:
+            return render_template('release_save.html', entity=release, form=form), 400
+
+    # form was not submitted; populate defaults
+    if release.release_stage:
+        form.release_stage.data = release.release_stage
+    if release.ext_ids.doi:
+        form.base_url.data = "https://doi.org/{}".format(release.ext_ids.doi)
+    return render_template('release_save.html', entity=release, form=form), 200
+
 ### Search ##################################################################
 
 @app.route('/search', methods=['GET', 'POST'])
diff --git a/python/fatcat_web/templates/release_save.html b/python/fatcat_web/templates/release_save.html
new file mode 100644
index 00000000..29875d3d
--- /dev/null
+++ b/python/fatcat_web/templates/release_save.html
@@ -0,0 +1,73 @@
+{% set release = entity %}
+{% set entity_view = "save" %}
+{% set entity_type = "release" %}
+{% import "entity_macros.html" as entity_macros %}
+{% import "edit_macros.html" as edit_macros %}
+{% extends "entity_base.html" %}
+
+{% block entity_main %}
+
+<div class="ui container text" style="margin-top: 2em;">
+<div class="ui segment" style="padding: 3em;">
+<h1 class="ui header">"Save Paper Now"</h1>
+
+{% if spn_status == "not-configured" %}
+
+<div class="ui error message" style="margin: 2em;">
+  <div class="header">Error</div>
+  <p>Save Paper Now feature isn't configured, sorry about that.
+</div>
+
+{% elif spn_status == "kafka-error" %}
+
+<div class="ui error message" style="margin: 2em;">
+  <div class="header">Error</div>
+  <p>Whoops, something went wrong and we couldn't enqueue your request. This
+  didn't have anything to do with the URL you supplied; please try again later.
+</div>
+
+{% elif spn_status == "success" %}
+
+<div class="ui positive message" style="margin: 2em;">
+  <div class="header">Success</div>
+  <p>URL has been submitted to the bot queue for crawling. If fulltext content
+  is found, it will be imported into the catalog for review. Keep an eye on the
+  <a href="/reviewable">reviewable editgroups</a> list (can take 5-10 minutes
+  depending on throughput and batch sizes).
+</div>
+
+{% else %}
+<form class="ui form" id="save_release_form" method="POST" action="/release/{{ release.ident }}/save">
+  <input type="hidden" name="csrf_token" value="{{ csrf_token() }}"/>
+
+  <br>
+  <p>Know of a legit fulltext copy of this publication on the public web?
+  Tell us the URL and we will crawl it and provide free perpetual access.
+
+  {{ edit_macros.form_field_basic(form.base_url) }}
+
+  <p style="margin-top: 2em; margin-bottom: 2em;"><b>Important:</b> check the publication stage of the file you are
+  submitting. We distinguish between pre-prints, manuscripts, and the
+  published version of record (if applicable).
+
+  <div class="ui equal width fields">
+    {{ edit_macros.form_field_basic(form.release_stage) }}
+    {{ edit_macros.form_field_basic(form.ingest_type) }}
+  </div>
+
+  <br>
+  <input class="ui primary submit button big left floated" type="submit" value="Submit URL" style="margin-right: 1em;">
+  <div>
+    <i>Your request will automatically be enqueued for our bots to crawl and
+    process. All new files will be reviewed before being included in the
+    catalog
+    </i>
+  </div>
+
+</form>
+{% endif %}
+
+</div>
+</div>
+
+{% endblock %}
diff --git a/python/fatcat_web/templates/release_view.html b/python/fatcat_web/templates/release_view.html
index 11b67148..b4e0ba25 100644
--- a/python/fatcat_web/templates/release_view.html
+++ b/python/fatcat_web/templates/release_view.html
@@ -257,7 +257,31 @@
 {% elif entity.state == 'active' and entity.webcaptures != [] and entity.webcaptures[0].archive_urls != [] and entity.webcaptures[0].archive_urls[0].rel == "wayback" %}
 <a href="{{ entity.webcaptures[0].archive_urls[0].url }}{{ entity.webcaptures[0]._wayback_suffix }}" class="ui top attached fluid huge green button"><i class="file archive outline icon"></i>View Web Archive</a>
 {% elif entity.state == 'active' %}
-<span class="ui top attached fluid huge grey button"><i class="file cross icon"></i>No Full Text Available</span>
+<span class="ui top attached fluid huge grey button"><i class="ban icon"></i>No Full Text Available</span>
+
+<a href="/release/{{ release.ident }}/save" class="ui attached fluid huge blue button">
+  <i class="cloud download icon"></i>"Save Paper Now"
+  <div style="margin-top: 0.8em; font-size: smaller; text-align: left;">
+    Know of a fulltext copy of on the public web? Submit a URL and we will archive it
+  </div>
+</a>
+
+{# alternative SPN
+<div class="ui segment attached">
+  <center>
+    <a class="ui blue huge button" href="/release/{{ release.ident }}/save" title="save paper now">Save Paper Now</a>
+  </center>
+  <p style="margin-top: 0.5em;">Know of a fulltext copy on the public web? Submit a URL and we'll archive it
+</div>
+#}
+
+{# alternative SPN
+<div class="ui segment attached yellow inverted accordion">
+  <b><a href="/release/{{ release.ident }}/save" title="save paper now" style="color: black;">Save Paper Now</a></b>
+  <br>know of a fulltext copy on the public web? submit a URL and we'll archive it
+</div>
+#}
+
 {% endif %}
 
 {% if release.release_type or release.release_stage or release.release_year %}
diff --git a/python/fatcat_web/web_config.py b/python/fatcat_web/web_config.py
index ec37b66d..44175ab4 100644
--- a/python/fatcat_web/web_config.py
+++ b/python/fatcat_web/web_config.py
@@ -28,6 +28,10 @@ class Config(object):
     ELASTICSEARCH_RELEASE_INDEX = os.environ.get("ELASTICSEARCH_RELEASE_INDEX", default="fatcat_release")
     ELASTICSEARCH_CONTAINER_INDEX = os.environ.get("ELASTICSEARCH_CONTAINER_INDEX", default="fatcat_container")
 
+    # for save-paper-now. set to None if not configured, so we don't display forms/links
+    KAFKA_PIXY_ENDPOINT = os.environ.get("KAFKA_PIXY_ENDPOINT", default=None) or None
+    KAFKA_SAVEPAPERNOW_TOPIC="sandcrawler-dev.ingest-file-requests"
+
     # for flask things, like session cookies
     FLASK_SECRET_KEY = os.environ.get("FLASK_SECRET_KEY", default=None)
     SECRET_KEY = FLASK_SECRET_KEY