previews in browser

2 files changed, 110 insertions, 4 deletions

diff --git a/tagit/apps/port-schema.nt b/tagit/apps/port-schema.nt
index 4f9a37c..2b354e5 100644
--- a/tagit/apps/port-schema.nt
+++ b/tagit/apps/port-schema.nt
@@ -9,14 +9,18 @@ prefix bsfs: <http://bsfs.ai/schema/>
 prefix bse: <http://bsfs.ai/schema/Entity#>
 prefix bst: <http://bsfs.ai/schema/Tag#>
 prefix bsg: <http://bsfs.ai/schema/Group#>
+prefix bsp: <http://bsfs.ai/schema/Preview#>
 
 # essential nodes
 bsfs:Entity rdfs:subClassOf bsfs:Node .
+bsfs:Preview rdfs:subClassOf bsfs:Node .
 bsfs:File rdfs:subClassOf bsfs:Entity .
 bsfs:Tag rdfs:subClassOf bsfs:Node .
 bsfs:Group rdfs:subClassOf bsfs:Node .
 
 # common definitions
+bsfs:Blob rdfs:subClassOf bsfs:Literal .
+bsfs:URI rdfs:subClassOf bsfs:Literal .
 bsfs:Number rdfs:subClassOf bsfs:Literal .
 bsfs:Time rdfs:subClassOf bsfs:Literal .
 xsd:string rdfs:subClassOf bsfs:Literal .
@@ -41,10 +45,9 @@ bse:mime rdfs:subClassOf bsfs:Predicate ;
     rdfs:range xsd:string ;
     bsfs:unique "true"^^xsd:boolean .
 
-bse:orientation rdfs:subClassOf bsfs:Predicate ; # FIXME: shouldn't this be part of the preview?
-    rdfs:domain bsfs:File ;
-    rdfs:range xsd:integer ;
-    bsfs:unique "true"^^xsd:boolean .
+bse:preview rdfs:subClassOf bsfs:Predicate ;
+    rdfs:domain bsfs:Entity ;
+    rdfs:range bsfs:Preview .
 
 bse:tag rdfs:subClassOf bsfs:Predicate ;
     rdfs:domain bsfs:File ;
@@ -78,3 +81,27 @@ bse:latitude rdfs:subClassOf bsfs:Predicate ;
     rdfs:range xsd:integer ;
     bsfs:unique "true"^^xsd:boolean .
 
+
+## preview nodes
+
+bsp:width rdfs:subClassOf bsfs:Predicate ;
+    rdfs:domain bsfs:Preview ;
+    rdfs:range xsd:integer ;
+    bsfs:unique "true"^^xsd:boolean .
+
+bsp:height rdfs:subClassOf bsfs:Predicate ;
+    rdfs:domain bsfs:Preview ;
+    rdfs:range xsd:integer ;
+    bsfs:unique "true"^^xsd:boolean .
+
+bsp:orientation rdfs:subClassOf bsfs:Predicate ;
+    rdfs:domain bsfs:Preview ;
+    rdfs:range xsd:integer ;
+    bsfs:unique "true"^^xsd:boolean .
+
+bsp:asset rdfs:subClassOf bsfs:Predicate ;
+    rdfs:domain bsfs:Preview ;
+    rdfs:range xsd:string ; # FIXME: mb/port
+    bsfs:unique "true"^^xsd:boolean .
+
+
diff --git a/tagit/apps/port_data.py b/tagit/apps/port_data.py
index 1d9f4e6..56fb522 100644
--- a/tagit/apps/port_data.py
+++ b/tagit/apps/port_data.py
@@ -45,4 +45,83 @@ def add_port_data(store):
         n1.set(ns.bse.group, grp)
         n3.set(ns.bse.group, grp)
 
+        # previews
+        base = os.path.join(os.path.dirname(__file__), 'port-data')
+        n0.set(ns.bse.preview,
+            store.node(ns.bsfs.Preview, URI('http://example.com/me/preview#ent01_w100_h100')) \
+                .set(ns.bsp.width, 100) \
+                .set(ns.bsp.height, 100) \
+                .set(ns.bsp.orientation, 1) \
+                .set(ns.bsp.asset, str(os.path.join(base, 'ent01_w100_h100.jpg')))
+                )
+        n0.set(ns.bse.preview,
+            store.node(ns.bsfs.Preview, str('http://example.com/me/preview#ent01_w400_h200')) \
+                .set(ns.bsp.width, 200) \
+                .set(ns.bsp.height, 400) \
+                .set(ns.bsp.orientation, 1) \
+                .set(ns.bsp.asset, str(os.path.join(base, 'ent01_w400_h200.jpg')))
+                )
+        n0.set(ns.bse.preview,
+            store.node(ns.bsfs.Preview, URI('http://example.com/me/preview#ent01_w400_h400')) \
+                .set(ns.bsp.width, 400) \
+                .set(ns.bsp.height, 400) \
+                .set(ns.bsp.orientation, 1) \
+                .set(ns.bsp.asset, str(os.path.join(base, 'ent01_w400_h400.jpg')))
+                )
+        n1.set(ns.bse.preview,
+            store.node(ns.bsfs.Preview, URI('http://example.com/me/preview#ent02_w100_h100')) \
+                .set(ns.bsp.width, 100) \
+                .set(ns.bsp.height, 100) \
+                .set(ns.bsp.orientation, 1) \
+                .set(ns.bsp.asset, str(os.path.join(base, 'ent02_w100_h100.jpg')))
+                )
+        n1.set(ns.bse.preview,
+            store.node(ns.bsfs.Preview, URI('http://example.com/me/preview#ent02_w400_h200')) \
+                .set(ns.bsp.width, 200) \
+                .set(ns.bsp.height, 400) \
+                .set(ns.bsp.orientation, 1) \
+                .set(ns.bsp.asset, str(os.path.join(base, 'ent02_w400_h200.jpg')))
+                )
+        n2.set(ns.bse.preview,
+            store.node(ns.bsfs.Preview, URI('http://example.com/me/preview#ent03_w100_h100')) \
+                .set(ns.bsp.width, 100) \
+                .set(ns.bsp.height, 100) \
+                .set(ns.bsp.orientation, 1) \
+                .set(ns.bsp.asset, str(os.path.join(base, 'ent03_w100_h100.jpg')))
+                )
+        n2.set(ns.bse.preview,
+            store.node(ns.bsfs.Preview, URI('http://example.com/me/preview#ent03_w400_h200')) \
+                .set(ns.bsp.width, 200) \
+                .set(ns.bsp.height, 400) \
+                .set(ns.bsp.orientation, 1) \
+                .set(ns.bsp.asset, str(os.path.join(base, 'ent03_w400_h200.jpg')))
+                )
+        n3.set(ns.bse.preview,
+            store.node(ns.bsfs.Preview, URI('http://example.com/me/preview#ent04_w100_h100')) \
+                .set(ns.bsp.width, 100) \
+                .set(ns.bsp.height, 100) \
+                .set(ns.bsp.orientation, 1) \
+                .set(ns.bsp.asset, str(os.path.join(base, 'ent04_w100_h100.png')))
+                )
+        n3.set(ns.bse.preview,
+            store.node(ns.bsfs.Preview, URI('http://example.com/me/preview#ent04_w400_h200')) \
+                .set(ns.bsp.width, 200) \
+                .set(ns.bsp.height, 400) \
+                .set(ns.bsp.orientation, 1) \
+                .set(ns.bsp.asset, str(os.path.join(base, 'ent04_w400_h200.png')))
+                )
+        n4.set(ns.bse.preview,
+            store.node(ns.bsfs.Preview, URI('http://example.com/me/preview#ent05_w100_h100')) \
+                .set(ns.bsp.width, 100) \
+                .set(ns.bsp.height, 100) \
+                .set(ns.bsp.orientation, 1) \
+                .set(ns.bsp.asset, str(os.path.join(base, 'ent05_w100_h100.jpg')))
+                )
+        n4.set(ns.bse.preview,
+            store.node(ns.bsfs.Preview, URI('http://example.com/me/preview#ent05_w400_h200')) \
+                .set(ns.bsp.width, 200) \
+                .set(ns.bsp.height, 400) \
+                .set(ns.bsp.orientation, 1) \
+                .set(ns.bsp.asset, str(os.path.join(base, 'ent05_w400_h200.jpg')))
+                )