From ed9e290b441a6486c576c2e2e4baa69fa0f3ed37 Mon Sep 17 00:00:00 2001
From: deva <deva>
Date: Tue, 2 Aug 2011 08:00:20 +0000
Subject: New 'open course' feature.

---
 server/src/transactionhandler.cc | 364 +++++++++++++++++++++------------------
 1 file changed, 194 insertions(+), 170 deletions(-)

(limited to 'server/src/transactionhandler.cc')

diff --git a/server/src/transactionhandler.cc b/server/src/transactionhandler.cc
index 4b4e7ca..0821cef 100644
--- a/server/src/transactionhandler.cc
+++ b/server/src/transactionhandler.cc
@@ -30,6 +30,8 @@
 #include "macroparser.h"
 #include "resumeparser.h"
 #include "templateparser.h"
+#include "templateheaderparser.h"
+#include "courseparser.h"
 #include "configuration.h"
 #include "luaquerymapper.h"
 #include "queryhandlerpentominos.h"
@@ -83,206 +85,228 @@ static std::string handleCommits(Transaction &transaction, Environment &env,
   return answer;
 }
 
-static std::string handleRequest(Transaction &transaction, Environment &env,
+static std::string handleRequest(Request &request, Environment &env,
                                  Session &session)
 {
   std::string answer;
 
-  if(transaction.requests.size() > 0) {
+  if(request.course == "" && request.templ == "" && request.macro == "")
+    return "";
 
-    AutoBorrower<Database*> borrower(env.dbpool);
-    Database *db = borrower.get();
-    //    Database *db = session.database();
+  if(request.course != "" && request.templ == "" && request.macro == "") {
+    CourseParser cp(env.courselist.getLatestVersion(request.course));
+    cp.parse();
+    Course *course = cp.getCourse();
+    answer += "  <course name=\"" + course->name + "\" title=\"" +
+      course->title + "\">\n";
     
-    Requests::iterator i = transaction.requests.begin();
-    while(i != transaction.requests.end()) {
-      Request &request = *i;
+    std::vector< Template >::iterator ti = course->templates.begin();
+    while(ti != course->templates.end()) {
+      std::string tname = ti->name;
     
-      DEBUG(server, "Handling request - macro: %s, template: %s\n",
-            request.macro.c_str(), request.templ.c_str());
-    
-      // Read and parse the template file.
-      TemplateParser tp(env.templatelist.getLatestVersion(request.templ));
+      TemplateHeaderParser tp(env.templatelist.getLatestVersion(tname));
       tp.parse();
-    
       Template *templ = tp.getTemplate();
-    
-      answer += "  <template name=\"" + templ->name + "\" title=\"" +
-        templ->title + "\">\n";
-    
-      bool foundmacro = false;
-    
-      // Generate the macro and return it to the client
-      std::vector< Macro >::iterator mi2 = templ->macros.begin();
-      while(mi2 != templ->macros.end()) {
-        Macro &macro = (*mi2);
 
-        if(macro.isHeader) {
-          answer += "    <header caption=\"" + macro.caption + "\"/>\n";
-          mi2++;
-          continue;
-        }
-
-        size_t oldest = time(NULL) - Conf::db_max_ttl;
-        if(macro.ttl != "") oldest = time(NULL) - atoi(macro.ttl.c_str());
-
-        bool completed =
-          db->checkMacro(transaction.cpr, macro.name, session.id(), oldest);
+      answer += "    <template name=\"" + templ->name + "\" title=\"" +
+        templ->title + "\"/>\n";
 
-        answer += "    <macro uid=\"42\" completed=";
-        if(completed) answer += "\"true\"";
-        else answer += "\"false\"";
+      ti++;
+    }
+  
+    answer += "  </course>\n";
 
-        attributes_t attr;
-        attr["name"] = macro.name;
-        attr["version"] = macro.version;
-        if(macro.caption != "") attr["caption"] = macro.caption;
-        if(macro.requires != "") attr["requires"] = macro.requires;
-        attr["static"] = macro.isStatic?"true":"false";
-        attr["compact"] = macro.isCompact?"true":"false";
-        attr["important"] = macro.isImportant?"true":"false";
+    return answer;
+  }
 
-        attributes_t::iterator ai = attr.begin();
-        while(ai != attr.end()) {
-          std::string name = ai->first;
-          std::string value = ai->second;
-          answer += " "+name+"=\"" + value + "\"";
-          ai++;
+  AutoBorrower<Database*> borrower(env.dbpool);
+  Database *db = borrower.get();
+  //    Database *db = session.database();
+    
+  DEBUG(server, "Handling request - macro: %s, template: %s\n",
+        request.macro.c_str(), request.templ.c_str());
+  
+  // Read and parse the template file.
+  TemplateParser tp(env.templatelist.getLatestVersion(request.templ));
+  tp.parse();
+  
+  Template *templ = tp.getTemplate();
+  
+  answer += "  <template name=\"" + templ->name + "\" title=\"" +
+    templ->title + "\">\n";
+  
+  bool foundmacro = false;
+  
+  // Generate the macro and return it to the client
+  std::vector< Macro >::iterator mi2 = templ->macros.begin();
+  while(mi2 != templ->macros.end()) {
+    Macro &macro = (*mi2);
+    
+    if(macro.isHeader) {
+      answer += "    <header caption=\"" + macro.caption + "\"/>\n";
+      mi2++;
+      continue;
+    }
+    
+    size_t oldest = time(NULL) - Conf::db_max_ttl;
+    if(macro.ttl != "") oldest = time(NULL) - atoi(macro.ttl.c_str());
+    
+    bool completed =
+      db->checkMacro(request.patientid, macro.name, session.id(),
+                     oldest);
+    
+    answer += "    <macro uid=\"42\" completed=";
+    if(completed) answer += "\"true\"";
+    else answer += "\"false\"";
+    
+    attributes_t attr;
+    attr["name"] = macro.name;
+    attr["version"] = macro.version;
+    if(macro.caption != "") attr["caption"] = macro.caption;
+    if(macro.requires != "") attr["requires"] = macro.requires;
+    attr["static"] = macro.isStatic?"true":"false";
+    attr["compact"] = macro.isCompact?"true":"false";
+    attr["important"] = macro.isImportant?"true":"false";
+    
+    attributes_t::iterator ai = attr.begin();
+    while(ai != attr.end()) {
+      std::string name = ai->first;
+      std::string value = ai->second;
+      answer += " "+name+"=\"" + value + "\"";
+      ai++;
+    }
+    
+    if(macro.name == request.macro || macro.isStatic) {
+      foundmacro = true;
+      
+      MacroParser mp(env.macrolist.getLatestVersion(macro.name));
+      mp.parse();
+      Macro *m = mp.getMacro();
+      answer += " caption=\"" + m->widgets.attributes["caption"] + "\"";
+      answer += ">\n";
+      
+      AutoBorrower<Artefact*> borrower(env.atfpool);
+      Artefact *atf = borrower.get();
+      
+      LUAQueryMapper lqm;
+      
+      ////////////////////////
+      std::vector< Query >::iterator qi = m->queries.begin();
+      while(qi != m->queries.end()) {
+        
+        Query &query = *qi;
+        std::string service = query.attributes["service"];
+        
+        if(service == "pentominos") {
+          // Send the queries to Pentominos (if any)
+          QueryHandlerPentominos qh(*atf, request.patientid,
+                                    "pracrod"/*user*/);
+          
+          QueryResult queryresult = qh.exec(*qi);
+          lqm.addQueryResult(queryresult);
         }
-
-        if(macro.name == request.macro || macro.isStatic) {
-          foundmacro = true;
-
-          MacroParser mp(env.macrolist.getLatestVersion(macro.name));
-          mp.parse();
-          Macro *m = mp.getMacro();
-          answer += " caption=\"" + m->widgets.attributes["caption"] + "\"";
-          answer += ">\n";
-
-         AutoBorrower<Artefact*> borrower(env.atfpool);
-         Artefact *atf = borrower.get();
-         
-         LUAQueryMapper lqm;
-
-          ////////////////////////
-          std::vector< Query >::iterator qi = m->queries.begin();
-          while(qi != m->queries.end()) {
-
-            Query &query = *qi;
-            std::string service = query.attributes["service"];
-
-            if(service == "pentominos") {
-              // Send the queries to Pentominos (if any)
-              QueryHandlerPentominos qh(*atf, transaction.cpr,
-                                        "pracrod"/*user*/);
-
-              QueryResult queryresult = qh.exec(*qi);
-              lqm.addQueryResult(queryresult);
-            }
-
-            if(service == "pracro") {
-              // Send the queries to Pentominos (if any)
-              QueryHandlerPracro qh(*db, transaction.cpr);
-
-              QueryResult queryresult = qh.exec(*qi);
-              lqm.addQueryResult(queryresult);
-            }
-
-            qi++;
-          }
-
-          // Handle scripts
-          if(m->scripts.size()) {
-            answer += "      <scripts>\n";
-            
-            std::vector< Script >::iterator spi = m->scripts.begin();
-            while(spi != m->scripts.end()) {
-              //              answer += "        <script language=\"" +
-              //                spi->attributes["language"] + "\">";
-              answer += "        <script>";
-
-              if(spi->attributes.find("src") != spi->attributes.end()) {
-                std::string file =
+        
+        if(service == "pracro") {
+          // Send the queries to Pentominos (if any)
+          QueryHandlerPracro qh(*db, request.patientid);
+          
+          QueryResult queryresult = qh.exec(*qi);
+          lqm.addQueryResult(queryresult);
+        }
+        
+        qi++;
+      }
+      
+      // Handle scripts
+      if(m->scripts.size()) {
+        answer += "      <scripts>\n";
+        
+        std::vector< Script >::iterator spi = m->scripts.begin();
+        while(spi != m->scripts.end()) {
+          //              answer += "        <script language=\"" +
+          //                spi->attributes["language"] + "\">";
+          answer += "        <script>";
+          
+          if(spi->attributes.find("src") != spi->attributes.end()) {
+            std::string file =
                   Conf::xml_basedir + "/include/" + spi->attributes["src"];
-                FILE *fp = fopen(file.c_str(), "r");
-                if(fp) {
-                  char buf[64];
-                  size_t sz;
-                  std::string inc;
-                  while((sz = fread(buf, 1, sizeof(buf), fp)) != 0) {
-                    inc.append(buf, sz);
-                  }
-                  fclose(fp);
-                  answer += "\n-- BEGIN INCLUDE: '" + spi->attributes["src"] + "'\n";
-                  answer += xml_encode(inc);
-                  answer += "\n-- END INCLUDE: '" + spi->attributes["src"] + "'\n";
-                }
-              } else {
-                answer += xml_encode(spi->attributes["code"]);
+            FILE *fp = fopen(file.c_str(), "r");
+            if(fp) {
+              char buf[64];
+              size_t sz;
+              std::string inc;
+              while((sz = fread(buf, 1, sizeof(buf), fp)) != 0) {
+                inc.append(buf, sz);
               }
-              answer += "</script>\n";
-              spi++;
+              fclose(fp);
+              answer +="\n-- BEGIN INCLUDE: '"+spi->attributes["src"]+"'\n";
+              answer += xml_encode(inc);
+              answer +="\n-- END INCLUDE: '"+spi->attributes["src"]+"'\n";
             }
-
-            answer += "      </scripts>\n";
+          } else {
+            answer += xml_encode(spi->attributes["code"]);
           }
-
-          answer += widgetgenerator(transaction.cpr, session.id(), *m, lqm,
-                                    *db, oldest);
-        } else {
-          // only find macro title
-          MacroParser mp(env.macrolist.getLatestVersion(macro.name));
-          mp.parse();
-          Macro *m = mp.getMacro();
-          answer += " caption=\"" + m->widgets.attributes["caption"] + "\"";
-          answer += ">\n";
-
+          answer += "</script>\n";
+          spi++;
         }
-
-        if(completed) {
-          std::string jresume = session.journal()->getEntry(macro.name);
-
-          std::string state = "old";
-          std::string resume = db->getResume(transaction.cpr, macro, oldest,
-                                             session.id());
-          if(session.journal()->dirty(macro.name)) {
+        
+        answer += "      </scripts>\n";
+      }
+      
+      answer += widgetgenerator(request.patientid, session.id(), *m,
+                                lqm, *db, oldest);
+    } else {
+      // only find macro title
+      MacroParser mp(env.macrolist.getLatestVersion(macro.name));
+      mp.parse();
+      Macro *m = mp.getMacro();
+      answer += " caption=\"" + m->widgets.attributes["caption"] + "\"";
+      answer += ">\n";
+      
+    }
+    
+    if(completed) {
+      std::string jresume = session.journal()->getEntry(macro.name);
+      
+      std::string state = "old";
+      std::string resume = db->getResume(request.patientid, macro,
+                                         oldest, session.id());
+      if(session.journal()->dirty(macro.name)) {
+        state = "dirty";
+      } else {
+        if(resume == jresume) {
+          state = "new";
+        } else {
+          if(jresume != "") {
             state = "dirty";
+            session.journal()->setDirty(macro.name);
           } else {
-            if(resume == jresume) {
-              state = "new";
-            } else {
-              if(jresume != "") {
-                state = "dirty";
-                session.journal()->setDirty(macro.name);
-              } else {
-                state = "old";
-              }
-            }
+            state = "old";
           }
-
-          answer += "      <resume state=\""+state+"\">";
-          answer += xml_encode(resume);
-          answer += "</resume>\n";
         }
-
-        answer += "    </macro>\n";
-        mi2++;
-
       }
       
-      if(foundmacro == false && request.macro != "")
-        throw NotFoundException(request);
-
-      answer += "  </template>\n";
-
-      i++;
+      answer += "      <resume state=\""+state+"\">";
+      answer += xml_encode(resume);
+      answer += "</resume>\n";
     }
+    
+    answer += "    </macro>\n";
+    mi2++;
+    
   }
+  
+  if(foundmacro == false && request.macro != "")
+    throw NotFoundException(request);
+  
+  answer += "  </template>\n";
 
   return answer;
 }
 
-std::string handleTransaction(Transaction &transaction, Environment &env,
+std::string handleTransaction(Request &request,
+                              Transaction &transaction,
+                              Environment &env,
                               Session &session)
 {
   std::string answer;
@@ -298,7 +322,7 @@ std::string handleTransaction(Transaction &transaction, Environment &env,
   }
 
   try {
-    answer += handleRequest(transaction, env, session);
+    answer += handleRequest(request, env, session);
   } catch( std::exception &e ) {
     ERR(server, "Request error: %s\n", e.what());
     return error_box(xml_encode(e.what()));
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