Files
natureinpots_community/plugins/importer/routes.py
2025-06-04 04:52:09 -05:00

159 lines
6.0 KiB
Python

import csv
import io
import difflib
from flask import Blueprint, request, render_template, redirect, flash, session, url_for
from flask_login import login_required, current_user
from app.neo4j_utils import get_neo4j_handler
from plugins.plant.models import db, Plant, PlantCommon, PlantScientific
bp = Blueprint("importer", __name__, template_folder="templates")
REQUIRED_HEADERS = {"uuid", "plant_type", "name"}
@bp.route("/import/", methods=["GET", "POST"])
@login_required
def upload():
if request.method == "POST":
file = request.files.get("file")
if not file:
flash("No file uploaded.", "error")
return redirect(request.url)
try:
decoded = file.read().decode("utf-8-sig")
stream = io.StringIO(decoded)
reader = csv.DictReader(stream)
headers = set(reader.fieldnames)
if not REQUIRED_HEADERS.issubset(headers):
flash(f"Missing required CSV headers: {REQUIRED_HEADERS - headers}", "error")
return redirect(request.url)
session["pending_rows"] = []
review_list = []
all_common = {c.name.lower(): c for c in PlantCommon.query.all()}
all_scientific = {s.name.lower(): s for s in PlantScientific.query.all()}
for row in reader:
uuid = row.get("uuid")
name = row.get("name", "").strip()
sci_name = row.get("scientific_name", "").strip()
plant_type = row.get("plant_type", "plant")
mother_uuid = row.get("mother_uuid", "").strip()
if not all([uuid, name, plant_type]):
continue
name_lc = name.lower()
sci_lc = sci_name.lower()
suggested_match = None
original_input = sci_name
# Fuzzy match scientific name
if sci_lc and sci_lc not in all_scientific:
close = difflib.get_close_matches(sci_lc, all_scientific.keys(), n=1, cutoff=0.85)
if close:
suggested_match = all_scientific[close[0]].name
# Infer from common name
if not sci_lc and name_lc in all_common:
sci_obj = PlantScientific.query.filter_by(common_id=all_common[name_lc].id).first()
if sci_obj:
sci_name = sci_obj.name
elif not sci_lc:
close_common = difflib.get_close_matches(name_lc, all_common.keys(), n=1, cutoff=0.85)
if close_common:
match_name = close_common[0]
sci_obj = PlantScientific.query.filter_by(common_id=all_common[match_name].id).first()
if sci_obj:
suggested_match = sci_obj.name
sci_name = sci_obj.name
session["pending_rows"].append({
"uuid": uuid,
"name": name,
"sci_name": sci_name,
"original_sci_name": original_input,
"plant_type": plant_type,
"mother_uuid": mother_uuid,
"suggested_scientific_name": suggested_match,
})
if suggested_match and suggested_match != original_input:
review_list.append({
"uuid": uuid,
"common_name": name,
"user_input": original_input or "(blank)",
"suggested_name": suggested_match
})
session["review_list"] = review_list
return redirect(url_for("importer.review"))
except Exception as e:
flash(f"Import failed: {str(e)}", "error")
return render_template("importer/upload.html")
@bp.route("/import/review", methods=["GET", "POST"])
@login_required
def review():
rows = session.get("pending_rows", [])
review_list = session.get("review_list", [])
if request.method == "POST":
neo = get_neo4j_handler()
added = 0
for row in rows:
uuid = row["uuid"]
name = row["name"]
sci_name = row["sci_name"]
user_input = row["original_sci_name"]
plant_type = row["plant_type"]
mother_uuid = row["mother_uuid"]
suggested = row.get("suggested_scientific_name")
common = PlantCommon.query.filter_by(name=name).first()
if not common:
common = PlantCommon(name=name)
db.session.add(common)
db.session.flush()
accepted = request.form.get(f"confirm_{uuid}")
sci_name_to_use = suggested if (suggested and accepted) else sci_name
scientific = PlantScientific.query.filter_by(name=sci_name_to_use).first()
if not scientific:
scientific = PlantScientific(name=sci_name_to_use, common_id=common.id)
db.session.add(scientific)
db.session.flush()
plant = Plant.query.filter_by(uuid=uuid).first()
if not plant:
plant = Plant(
uuid=uuid,
common_id=common.id,
scientific_id=scientific.id,
plant_type=plant_type,
owner_id=current_user.id,
is_verified=bool(accepted)
)
db.session.add(plant)
added += 1
neo.create_plant_node(uuid, name)
if mother_uuid:
neo.create_plant_node(mother_uuid, "Parent")
neo.create_lineage(uuid, mother_uuid)
db.session.commit()
neo.close()
flash(f"{added} plants added.", "success")
session.pop("pending_rows", None)
session.pop("review_list", None)
return redirect(url_for("importer.upload"))
return render_template("importer/review.html", review_list=review_list)