def getDocumentCatalog():
"""Gets a slice of a document list. request.args:
page: mandatory, page to present
lang: mandatory, language (en / es)
search: optional, search criteria
filterbylabel: optional, comma-separated list of labels ID to filter with
"""
m = DocumentModel()
lang = request.args["lang"]
page = int(request.args["page"])
fsearch = request.args["search"] if "search" in request.args else None
flabels = request.args["filterbylabel"] if "filterbylabel" in request.args else None
try:
if fsearch:
a = m.searchInLabels(lang, fsearch)["id_document"]
searchLabels = set(a) if a else set([])
a = m.searchInAuthors(fsearch)["id_document"]
authors = set(a) if a else set([])
else:
searchLabels = set([])
authors = set([])
if flabels:
a = m.filterByLabels(lang, flabels)["id_document"]
filterLabels = set(a) if a else set([])
a = m.searchInDocument(lang, fsearch)["id_document"]
docs = set(a) if a else set([])
except ElcanoError as e:
return jsonify(e.dict())
if flabels:
docs = docs.union(searchLabels).union(authors).intersection(filterLabels)
else:
docs = docs.union(searchLabels).union(authors)
out=[]
for i in list(docs):
try:
docDetail = m.getDocumentDetails(lang, i)
docAuthors = m.getDocumentAuthors(i)
docLabels = m.getDocumentLabels(i, lang)
except ElcanoError as e:
return jsonify(e.dict())
doc = dict()
doc["id"] = docDetail["id_document"]
doc["title"] = docDetail["title"]
doc["theme"] = docDetail["theme"]
doc["time"] = str(docDetail["publishing_date"].isoformat())
doc["authors"] = []
doc["labels"] = []
for a in docAuthors:
au = dict()
au["id"] = a["id_author"]
au["name"] = a["name"]
au["twitter_user"] = a["twitter_user"]
doc["authors"].append(au)
for l in docLabels:
la = dict()
la["id"] = l["id_label"]
la["label"] = l["label"]
doc["labels"].append(la)
out.append(doc)
sortedOut = sorted(out, key=itemgetter("time"), reverse=True)
return(jsonify({"results": sortedOut[page*cons.frontend["documentCatalogListSize"]: \
(page*cons.frontend["documentCatalogListSize"])+ \
cons.frontend["documentCatalogListSize"]], \
"listSize": len(sortedOut), "page": page}))
