fixed error with empty hub map in suspicion rank

4 files changed, 8 insertions, 2 deletions

diff --git a/data/empty.sqlite3 b/data/empty.sqlite3
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/data/empty.sqlite3
diff --git a/frontend/src/SECAPIData.js b/frontend/src/SECAPIData.js
index d14ee1f..8d0611f 100644
--- a/frontend/src/SECAPIData.js
+++ b/frontend/src/SECAPIData.js
@@ -13,7 +13,7 @@ function SECAPIData() {
     const toEpochMilli = date => Date.parse(date);
 
     const getLinks = () => {
-        fetch("http://localhost:4567/susrank", {
+        fetch("http://localhost:4567/data", {
             method: "POST",
             body: JSON.stringify(
                 { 
diff --git a/src/main/java/edu/brown/cs/student/term/Main.java b/src/main/java/edu/brown/cs/student/term/Main.java
index 4b910f7..5c7497f 100644
--- a/src/main/java/edu/brown/cs/student/term/Main.java
+++ b/src/main/java/edu/brown/cs/student/term/Main.java
@@ -162,7 +162,7 @@ public final class Main {
         Map<String, Object> variables = ImmutableMap.of("holders", suspiciousHolders);
         return GSON.toJson(variables);
       } catch (Exception e) {
-        System.out.println("DBQuerier Test, couldn't connect to db???");
+        System.out.println("Error retrieving the suspicion ranks for GUI");
         return "Error";
       }
     }
diff --git a/src/main/java/edu/brown/cs/student/term/hub/SuspicionRanker.java b/src/main/java/edu/brown/cs/student/term/hub/SuspicionRanker.java
index 564ba28..2b567c2 100644
--- a/src/main/java/edu/brown/cs/student/term/hub/SuspicionRanker.java
+++ b/src/main/java/edu/brown/cs/student/term/hub/SuspicionRanker.java
@@ -31,6 +31,7 @@ public class SuspicionRanker {
       LinkMapper lm = new LinkMapper(querier);
       HubSearch hub = new HubSearch(lm);
       Map<Holder, Double> holderToHubScore = hub.runHubSearch(start, end);
+      System.out.println(holderToHubScore);
 
       ProfitCalculation pc = new ProfitCalculation(DatabaseQuerier.getConn(), "",
           new Date(start.toEpochMilli()),
@@ -38,6 +39,11 @@ public class SuspicionRanker {
 
       Map<Integer, Double> profitMap = pc.getProfitMap();
 
+      //if the maps are empty, we abort because we have entirely incomplete data
+      if(profitMap.isEmpty() || holderToHubScore.isEmpty()){
+        return new ArrayList<>();
+      }
+
       double profitMax = getMaxOfMap(profitMap);
       /*if all of our values are negative, we need to flip sides so that the
       * biggest loser doesn't end up being the most suspicious person*/