#396 fix - Added automated license code generation and other minor fixes

rsanchez

2014-12-01 85e2a65874fcd41771b30ebfff93f86edd4f32b3

 securis/src/main/java/net/curisit/securis/services/PackResource.java
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@@ -41,6 +41,7 @@
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 import net.curisit.securis.services.exception.SeCurisServiceException.ErrorCodes;
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 import net.curisit.securis.services.helpers.LicenseHelper;
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 import net.curisit.securis.services.helpers.UserHelper;
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+import net.curisit.securis.utils.LicUtils;
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 import net.curisit.securis.utils.TokenHelper;
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 import org.apache.logging.log4j.LogManager;
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@@ -147,9 +148,13 @@
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         MediaType.APPLICATION_JSON
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     })
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     @Transactional
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-    public Response create(Pack pack, @Context BasicSecurityContext bsc) {
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+    public Response create(Pack pack, @Context BasicSecurityContext bsc) throws SeCurisServiceException {
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         LOG.info("Creating new pack");
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         EntityManager em = emProvider.get();
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+
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+        if (checkIfCodeExists(pack.getCode(), em)) {
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+            throw new SeCurisServiceException(ErrorCodes.INVALID_DATA, "The pack code is already used in an existing pack");
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+        }
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         try {
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             setPackOrganization(pack, pack.getOrgId(), em);
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@@ -181,6 +186,55 @@
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         return Response.ok(pack).build();
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     }
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+    /**
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+     * Check if there is some pack with the same code
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+     * 
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+     * @param code
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+     *            Pack code
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+     * @param em
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+     *            DB session object
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+     * @return <code>true</code> if code is already used, <code>false</code>
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+     *         otherwise
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+     */
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+    private boolean checkIfCodeExists(String code, EntityManager em) {
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+        TypedQuery<Pack> query = em.createNamedQuery("pack-by-code", Pack.class);
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+        query.setParameter("code", code);
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+        int packs = query.getResultList().size();
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+        return packs > 0;
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+    }
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+
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+    private int getNextCodeSuffix(int packId, EntityManager em) {
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+        TypedQuery<Integer> query = em.createNamedQuery("last-code-suffix-used-in-pack", Integer.class);
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+        query.setParameter("packId", packId);
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+        Integer lastCodeSuffix = query.getSingleResult();
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+        return lastCodeSuffix == null ? 1 : lastCodeSuffix + 1;
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+    }
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+
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+    /**
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+     * 
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+     * @return The next available code suffix in pack for license code
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+     * @throws SeCurisServiceException
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+     */
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+    @GET
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+    @Path("/{packId}/next_license_code")
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+    @Securable
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+    @Produces({
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+        MediaType.TEXT_PLAIN
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+    })
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+    public Response getCodeSuffix(@PathParam("packId") Integer packId, @Context BasicSecurityContext bsc) throws SeCurisServiceException {
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+        EntityManager em = emProvider.get();
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+
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+        if (packId == null) {
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+            throw new SeCurisServiceException(ErrorCodes.INVALID_DATA, "The pack code is mandatory");
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+        }
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+        Integer codeSuffix = getNextCodeSuffix(packId, em);
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+        Pack pack = em.find(Pack.class, packId);
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+        ;
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+
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+        String licCode = LicUtils.getLicenseCode(pack.getCode(), codeSuffix);
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+        return Response.ok(licCode).build();
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+    }
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+
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     private void setPackLicenseType(Pack pack, Integer licTypeId, EntityManager em) throws SeCurisException {
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         LicenseType lt = null;
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         if (licTypeId != null) {