[Feature] Implement Search modal in Modern UI (#185)

Implementing a search modal (stretching the level of dynamic that is possible without going to frameworks).

## Major Change
- Search needs packages and is available everywhere now; so had to add reviewed and user packages to global context.

Co-authored-by: Tim Lorsbach <tim@lorsba.ch>
Reviewed-on: enviPath/enviPy#185
Co-authored-by: Tobias O <tobias.olenyi@envipath.com>
Co-committed-by: Tobias O <tobias.olenyi@envipath.com>

epdb/context_processors.py

@@ -0,0 +1,32 @@
+"""
+Context processors for enviPy application.
+
+Context processors automatically make variables available to all templates.
+"""
+
+from .logic import PackageManager
+from .models import Package
+
+
+def package_context(request):
+    """
+    Provides package data for the search modal which is included globally
+    in framework_modern.html.
+
+    Returns:
+        dict: Context dictionary with reviewed and unreviewed packages
+    """
+    current_user = request.user
+
+    reviewed_package_qs = PackageManager.get_reviewed_packages()
+
+    unreviewed_package_qs = Package.objects.none()
+
+    # Only get user-specific packages if user is authenticated
+    if current_user.is_authenticated:
+        unreviewed_package_qs = PackageManager.get_all_readable_packages(current_user)
+
+    return {
+        "reviewed_packages": reviewed_package_qs,
+        "unreviewed_packages": unreviewed_package_qs,
+    }

epdb/views.py

@@ -682,7 +682,6 @@ def search(request):
     if request.method == "GET":
         package_urls = request.GET.getlist("packages")
         searchterm = request.GET.get("search", "").strip()
-
         mode = request.GET.get("mode")
 
         # add HTTP_ACCEPT check to differentiate between index and ajax call
@@ -783,6 +782,7 @@ def package_models(request, package_uuid):
 
     elif request.method == "POST":
         log_post_params(request)
+
         name = request.POST.get("model-name")
         description = request.POST.get("model-description")
 
@@ -1174,7 +1174,7 @@ def package_compounds(request, package_uuid):
 
     elif request.method == "POST":
         compound_name = request.POST.get("compound-name")
-        compound_smiles = request.POST.get("compound-smiles").strip()
+        compound_smiles = request.POST.get("compound-smiles")
         compound_description = request.POST.get("compound-description")
 
         c = Compound.create(current_package, compound_smiles, compound_name, compound_description)
@@ -1684,7 +1684,6 @@ def package_reactions(request, package_uuid):
     elif request.method == "POST":
         reaction_name = request.POST.get("reaction-name")
         reaction_description = request.POST.get("reaction-description")
-
         reactions_smirks = request.POST.get("reaction-smirks").strip()
         educts = reactions_smirks.split(">>")[0].split(".")
         products = reactions_smirks.split(">>")[1].split(".")
@@ -2259,6 +2258,7 @@ def package_pathway_edges(request, package_uuid, pathway_uuid):
 
     elif request.method == "POST":
         log_post_params(request)
+
         edge_name = request.POST.get("edge-name")
         edge_description = request.POST.get("edge-description")