diff --git a/Pipfile b/Pipfile
index 63c79cd98..5c202036e 100644
--- a/Pipfile
+++ b/Pipfile
@@ -9,6 +9,7 @@ importlib-metadata = "6.0.0"
 importlib-resources = "5.10.0"
 ipdb = "0.13.9"
 sqlalchemy = "1.4.42"
+pytest = "*"
 
 [dev-packages]
 
diff --git a/Pipfile.lock b/Pipfile.lock
index 3923f4a97..401c1d4f4 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "fa62c636b7ae5acb4993fc7b007a651c55b562aa29962a9a8585ec314b352ae6"
+            "sha256": "6b7e349bbbb29f4ad52d5c0ef631d40060f7afec7d3db3552b729b004ece2601"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -18,11 +18,11 @@
     "default": {
         "alembic": {
             "hashes": [
-                "sha256:6880dec4f28dd7bd999d2ed13fbe7c9d4337700a44d11a524c0ce0c59aaf0dbd",
-                "sha256:e8a6ff9f3b1887e1fed68bfb8fb9a000d8f61c21bdcc85b67bb9f87fcbc4fce3"
+                "sha256:457eafbdc0769d855c2c92cbafe6b7f319f916c80cf4ed02b8f394f38b51b89d",
+                "sha256:8b48368f6533c064b39c024e1daba15ae7f947eac84185c28c06bbe1301a5497"
             ],
             "index": "pypi",
-            "version": "==1.9.2"
+            "version": "==1.10.2"
         },
         "appnope": {
             "hashes": [
@@ -39,6 +39,14 @@
             ],
             "version": "==2.2.1"
         },
+        "attrs": {
+            "hashes": [
+                "sha256:29e95c7f6778868dbd49170f98f8818f78f3dc5e0e37c0b1f474e3561b240836",
+                "sha256:c9227bfc2f01993c03f68db37d1d15c9690188323c067c641f1a35ca58185f99"
+            ],
+            "markers": "python_version >= '3.6'",
+            "version": "==22.2.0"
+        },
         "backcall": {
             "hashes": [
                 "sha256:5cbdbf27be5e7cfadb448baf0aa95508f91f2bbc6c6437cd9cd06e2a4c215e1e",
@@ -54,6 +62,14 @@
             "markers": "python_version < '3.11' and python_version >= '3.7'",
             "version": "==5.1.1"
         },
+        "exceptiongroup": {
+            "hashes": [
+                "sha256:232c37c63e4f682982c8b6459f33a8981039e5fb8756b2074364e5055c498c9e",
+                "sha256:d484c3090ba2889ae2928419117447a14daf3c1231d5e30d0aae34f354f01785"
+            ],
+            "markers": "python_version < '3.11'",
+            "version": "==1.1.1"
+        },
         "executing": {
             "hashes": [
                 "sha256:0314a69e37426e3608aada02473b4161d4caf5a4b244d1d0c48072b8fee7bacc",
@@ -61,37 +77,111 @@
             ],
             "version": "==1.2.0"
         },
+        "greenlet": {
+            "hashes": [
+                "sha256:03a8f4f3430c3b3ff8d10a2a86028c660355ab637cee9333d63d66b56f09d52a",
+                "sha256:0bf60faf0bc2468089bdc5edd10555bab6e85152191df713e2ab1fcc86382b5a",
+                "sha256:18a7f18b82b52ee85322d7a7874e676f34ab319b9f8cce5de06067384aa8ff43",
+                "sha256:18e98fb3de7dba1c0a852731c3070cf022d14f0d68b4c87a19cc1016f3bb8b33",
+                "sha256:1a819eef4b0e0b96bb0d98d797bef17dc1b4a10e8d7446be32d1da33e095dbb8",
+                "sha256:26fbfce90728d82bc9e6c38ea4d038cba20b7faf8a0ca53a9c07b67318d46088",
+                "sha256:2780572ec463d44c1d3ae850239508dbeb9fed38e294c68d19a24d925d9223ca",
+                "sha256:283737e0da3f08bd637b5ad058507e578dd462db259f7f6e4c5c365ba4ee9343",
+                "sha256:2d4686f195e32d36b4d7cf2d166857dbd0ee9f3d20ae349b6bf8afc8485b3645",
+                "sha256:2dd11f291565a81d71dab10b7033395b7a3a5456e637cf997a6f33ebdf06f8db",
+                "sha256:30bcf80dda7f15ac77ba5af2b961bdd9dbc77fd4ac6105cee85b0d0a5fcf74df",
+                "sha256:32e5b64b148966d9cccc2c8d35a671409e45f195864560829f395a54226408d3",
+                "sha256:36abbf031e1c0f79dd5d596bfaf8e921c41df2bdf54ee1eed921ce1f52999a86",
+                "sha256:3a06ad5312349fec0ab944664b01d26f8d1f05009566339ac6f63f56589bc1a2",
+                "sha256:3a51c9751078733d88e013587b108f1b7a1fb106d402fb390740f002b6f6551a",
+                "sha256:3c9b12575734155d0c09d6c3e10dbd81665d5c18e1a7c6597df72fd05990c8cf",
+                "sha256:3f6ea9bd35eb450837a3d80e77b517ea5bc56b4647f5502cd28de13675ee12f7",
+                "sha256:4b58adb399c4d61d912c4c331984d60eb66565175cdf4a34792cd9600f21b394",
+                "sha256:4d2e11331fc0c02b6e84b0d28ece3a36e0548ee1a1ce9ddde03752d9b79bba40",
+                "sha256:5454276c07d27a740c5892f4907c86327b632127dd9abec42ee62e12427ff7e3",
+                "sha256:561091a7be172ab497a3527602d467e2b3fbe75f9e783d8b8ce403fa414f71a6",
+                "sha256:6c3acb79b0bfd4fe733dff8bc62695283b57949ebcca05ae5c129eb606ff2d74",
+                "sha256:703f18f3fda276b9a916f0934d2fb6d989bf0b4fb5a64825260eb9bfd52d78f0",
+                "sha256:7492e2b7bd7c9b9916388d9df23fa49d9b88ac0640db0a5b4ecc2b653bf451e3",
+                "sha256:76ae285c8104046b3a7f06b42f29c7b73f77683df18c49ab5af7983994c2dd91",
+                "sha256:7cafd1208fdbe93b67c7086876f061f660cfddc44f404279c1585bbf3cdc64c5",
+                "sha256:7efde645ca1cc441d6dc4b48c0f7101e8d86b54c8530141b09fd31cef5149ec9",
+                "sha256:88d9ab96491d38a5ab7c56dd7a3cc37d83336ecc564e4e8816dbed12e5aaefc8",
+                "sha256:8eab883b3b2a38cc1e050819ef06a7e6344d4a990d24d45bc6f2cf959045a45b",
+                "sha256:910841381caba4f744a44bf81bfd573c94e10b3045ee00de0cbf436fe50673a6",
+                "sha256:9190f09060ea4debddd24665d6804b995a9c122ef5917ab26e1566dcc712ceeb",
+                "sha256:937e9020b514ceedb9c830c55d5c9872abc90f4b5862f89c0887033ae33c6f73",
+                "sha256:94c817e84245513926588caf1152e3b559ff794d505555211ca041f032abbb6b",
+                "sha256:971ce5e14dc5e73715755d0ca2975ac88cfdaefcaab078a284fea6cfabf866df",
+                "sha256:9d14b83fab60d5e8abe587d51c75b252bcc21683f24699ada8fb275d7712f5a9",
+                "sha256:9f35ec95538f50292f6d8f2c9c9f8a3c6540bbfec21c9e5b4b751e0a7c20864f",
+                "sha256:a1846f1b999e78e13837c93c778dcfc3365902cfb8d1bdb7dd73ead37059f0d0",
+                "sha256:acd2162a36d3de67ee896c43effcd5ee3de247eb00354db411feb025aa319857",
+                "sha256:b0ef99cdbe2b682b9ccbb964743a6aca37905fda5e0452e5ee239b1654d37f2a",
+                "sha256:b80f600eddddce72320dbbc8e3784d16bd3fb7b517e82476d8da921f27d4b249",
+                "sha256:b864ba53912b6c3ab6bcb2beb19f19edd01a6bfcbdfe1f37ddd1778abfe75a30",
+                "sha256:b9ec052b06a0524f0e35bd8790686a1da006bd911dd1ef7d50b77bfbad74e292",
+                "sha256:ba2956617f1c42598a308a84c6cf021a90ff3862eddafd20c3333d50f0edb45b",
+                "sha256:bdfea8c661e80d3c1c99ad7c3ff74e6e87184895bbaca6ee8cc61209f8b9b85d",
+                "sha256:be4ed120b52ae4d974aa40215fcdfde9194d63541c7ded40ee12eb4dda57b76b",
+                "sha256:c4302695ad8027363e96311df24ee28978162cdcdd2006476c43970b384a244c",
+                "sha256:c48f54ef8e05f04d6eff74b8233f6063cb1ed960243eacc474ee73a2ea8573ca",
+                "sha256:c9c59a2120b55788e800d82dfa99b9e156ff8f2227f07c5e3012a45a399620b7",
+                "sha256:cd021c754b162c0fb55ad5d6b9d960db667faad0fa2ff25bb6e1301b0b6e6a75",
+                "sha256:d27ec7509b9c18b6d73f2f5ede2622441de812e7b1a80bbd446cb0633bd3d5ae",
+                "sha256:d5508f0b173e6aa47273bdc0a0b5ba055b59662ba7c7ee5119528f466585526b",
+                "sha256:d75209eed723105f9596807495d58d10b3470fa6732dd6756595e89925ce2470",
+                "sha256:db1a39669102a1d8d12b57de2bb7e2ec9066a6f2b3da35ae511ff93b01b5d564",
+                "sha256:dbfcfc0218093a19c252ca8eb9aee3d29cfdcb586df21049b9d777fd32c14fd9",
+                "sha256:e0f72c9ddb8cd28532185f54cc1453f2c16fb417a08b53a855c4e6a418edd099",
+                "sha256:e7c8dc13af7db097bed64a051d2dd49e9f0af495c26995c00a9ee842690d34c0",
+                "sha256:ea9872c80c132f4663822dd2a08d404073a5a9b5ba6155bea72fb2a79d1093b5",
+                "sha256:eff4eb9b7eb3e4d0cae3d28c283dc16d9bed6b193c2e1ace3ed86ce48ea8df19",
+                "sha256:f82d4d717d8ef19188687aa32b8363e96062911e63ba22a0cff7802a8e58e5f1",
+                "sha256:fc3a569657468b6f3fb60587e48356fe512c1754ca05a564f11366ac9e306526"
+            ],
+            "markers": "platform_machine == 'aarch64' or (platform_machine == 'ppc64le' or (platform_machine == 'x86_64' or (platform_machine == 'amd64' or (platform_machine == 'AMD64' or (platform_machine == 'win32' or platform_machine == 'WIN32')))))",
+            "version": "==2.0.2"
+        },
         "importlib-metadata": {
             "hashes": [
-                "sha256:7efb448ec9a5e313a57655d35aa54cd3e01b7e1fbcf72dce1bf06119420f5bad",
-                "sha256:e354bedeb60efa6affdcc8ae121b73544a7aa74156d047311948f6d711cd378d"
+                "sha256:43ce9281e097583d758c2c708c4376371261a02c34682491a8e98352365aad20",
+                "sha256:ff80f3b5394912eb1b108fcfd444dc78b7f1f3e16b16188054bd01cb9cb86f09"
             ],
             "index": "pypi",
-            "version": "==6.0.0"
+            "version": "==6.1.0"
         },
         "importlib-resources": {
             "hashes": [
-                "sha256:7d543798b0beca10b6a01ac7cafda9f822c54db9e8376a6bf57e0cbd74d486b6",
-                "sha256:e4a96c8cc0339647ff9a5e0550d9f276fc5a01ffa276012b58ec108cfd7b8484"
+                "sha256:4be82589bf5c1d7999aedf2a45159d10cb3ca4f19b2271f8792bc8e6da7b22f6",
+                "sha256:7b1deeebbf351c7578e09bf2f63fa2ce8b5ffec296e0d349139d43cca061a81a"
             ],
             "index": "pypi",
-            "version": "==5.10.2"
+            "version": "==5.12.0"
+        },
+        "iniconfig": {
+            "hashes": [
+                "sha256:2d91e135bf72d31a410b17c16da610a82cb55f6b0477d1a902134b24a455b8b3",
+                "sha256:b6a85871a79d2e3b22d2d1b94ac2824226a63c6b741c88f7ae975f18b6778374"
+            ],
+            "markers": "python_version >= '3.7'",
+            "version": "==2.0.0"
         },
         "ipdb": {
             "hashes": [
-                "sha256:c23b6736f01fd4586cc2ecbebdf79a5eb454796853e1cd8f2ed3b7b91d4a3e93",
-                "sha256:f74c2f741c18b909eaf89f19fde973f745ac721744aa1465888ce45813b63a9c"
+                "sha256:45529994741c4ab6d2388bfa5d7b725c2cf7fe9deffabdb8a6113aa5ed449ed4",
+                "sha256:e3ac6018ef05126d442af680aad863006ec19d02290561ac88b8b1c0b0cfc726"
             ],
             "index": "pypi",
-            "version": "==0.13.11"
+            "version": "==0.13.13"
         },
         "ipython": {
             "hashes": [
-                "sha256:da01e6df1501e6e7c32b5084212ddadd4ee2471602e2cf3e0190f4de6b0ea481",
-                "sha256:f3bf2c08505ad2c3f4ed5c46ae0331a8547d36bf4b21a451e8ae80c0791db95b"
+                "sha256:1c183bf61b148b00bcebfa5d9b39312733ae97f6dad90d7e9b4d86c8647f498c",
+                "sha256:a950236df04ad75b5bc7f816f9af3d74dc118fd42f2ff7e80e8e60ca1f182e2d"
             ],
             "markers": "python_version < '3.11' and python_version >= '3.7'",
-            "version": "==8.8.0"
+            "version": "==8.12.0"
         },
         "jedi": {
             "hashes": [
@@ -173,6 +263,14 @@
             "markers": "python_version >= '3.5'",
             "version": "==0.1.6"
         },
+        "packaging": {
+            "hashes": [
+                "sha256:714ac14496c3e68c99c29b00845f7a2b85f3bb6f1078fd9f72fd20f0570002b2",
+                "sha256:b6ad297f8907de0fa2fe1ccbd26fdaf387f5f47c7275fedf8cce89f99446cf97"
+            ],
+            "markers": "python_version >= '3.7'",
+            "version": "==23.0"
+        },
         "parso": {
             "hashes": [
                 "sha256:8c07be290bb59f03588915921e29e8a50002acaf2cdc5fa0e0114f91709fafa0",
@@ -196,13 +294,21 @@
             ],
             "version": "==0.7.5"
         },
+        "pluggy": {
+            "hashes": [
+                "sha256:4224373bacce55f955a878bf9cfa763c1e360858e330072059e10bad68531159",
+                "sha256:74134bbf457f031a36d68416e1509f34bd5ccc019f0bcc952c7b909d06b37bd3"
+            ],
+            "markers": "python_version >= '3.6'",
+            "version": "==1.0.0"
+        },
         "prompt-toolkit": {
             "hashes": [
-                "sha256:3e163f254bef5a03b146397d7c1963bd3e2812f0964bb9a24e6ec761fd28db63",
-                "sha256:aa64ad242a462c5ff0363a7b9cfe696c20d55d9fc60c11fd8e632d064804d305"
+                "sha256:23ac5d50538a9a38c8bde05fecb47d0b403ecd0662857a86f886f798563d5b9b",
+                "sha256:45ea77a2f7c60418850331366c81cf6b5b9cf4c7fd34616f733c5427e6abbb1f"
             ],
-            "markers": "python_full_version >= '3.6.2'",
-            "version": "==3.0.36"
+            "markers": "python_version >= '3.7'",
+            "version": "==3.0.38"
         },
         "ptyprocess": {
             "hashes": [
@@ -226,6 +332,14 @@
             "markers": "python_version >= '3.6'",
             "version": "==2.14.0"
         },
+        "pytest": {
+            "hashes": [
+                "sha256:130328f552dcfac0b1cec75c12e3f005619dc5f874f0a06e8ff7263f0ee6225e",
+                "sha256:c99ab0c73aceb050f68929bc93af19ab6db0558791c6a0715723abe9d0ade9d4"
+            ],
+            "index": "pypi",
+            "version": "==7.2.2"
+        },
         "six": {
             "hashes": [
                 "sha256:1e61c37477a1626458e36f7b1d82aa5c9b094fa4802892072e49de9c60c4c926",
@@ -236,50 +350,50 @@
         },
         "sqlalchemy": {
             "hashes": [
-                "sha256:07e48cbcdda6b8bc7a59d6728bd3f5f574ffe03f2c9fb384239f3789c2d95c2e",
-                "sha256:18cafdb27834fa03569d29f571df7115812a0e59fd6a3a03ccb0d33678ec8420",
-                "sha256:1b1e5e96e2789d89f023d080bee432e2fef64d95857969e70d3cadec80bd26f0",
-                "sha256:315676344e3558f1f80d02535f410e80ea4e8fddba31ec78fe390eff5fb8f466",
-                "sha256:31de1e2c45e67a5ec1ecca6ec26aefc299dd5151e355eb5199cd9516b57340be",
-                "sha256:3d94682732d1a0def5672471ba42a29ff5e21bb0aae0afa00bb10796fc1e28dd",
-                "sha256:3ec187acf85984263299a3f15c34a6c0671f83565d86d10f43ace49881a82718",
-                "sha256:4847f4b1d822754e35707db913396a29d874ee77b9c3c3ef3f04d5a9a6209618",
-                "sha256:4d112b0f3c1bc5ff70554a97344625ef621c1bfe02a73c5d97cac91f8cd7a41e",
-                "sha256:51e1ba2884c6a2b8e19109dc08c71c49530006c1084156ecadfaadf5f9b8b053",
-                "sha256:535377e9b10aff5a045e3d9ada8a62d02058b422c0504ebdcf07930599890eb0",
-                "sha256:5dbf17ac9a61e7a3f1c7ca47237aac93cabd7f08ad92ac5b96d6f8dea4287fc1",
-                "sha256:5f752676fc126edc1c4af0ec2e4d2adca48ddfae5de46bb40adbd3f903eb2120",
-                "sha256:64cb0ad8a190bc22d2112001cfecdec45baffdf41871de777239da6a28ed74b6",
-                "sha256:6913b8247d8a292ef8315162a51931e2b40ce91681f1b6f18f697045200c4a30",
-                "sha256:69fac0a7054d86b997af12dc23f581cf0b25fb1c7d1fed43257dee3af32d3d6d",
-                "sha256:7001f16a9a8e06488c3c7154827c48455d1c1507d7228d43e781afbc8ceccf6d",
-                "sha256:7b81b1030c42b003fc10ddd17825571603117f848814a344d305262d370e7c34",
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-                "sha256:887865924c3d6e9a473dc82b70977395301533b3030d0f020c38fd9eba5419f2",
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-                "sha256:a1ad90c97029cc3ab4ffd57443a20fac21d2ec3c89532b084b073b3feb5abff3",
-                "sha256:a3714e5b33226131ac0da60d18995a102a17dddd42368b7bdd206737297823ad",
-                "sha256:ae067ab639fa499f67ded52f5bc8e084f045d10b5ac7bb928ae4ca2b6c0429a5",
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-                "sha256:b6e4cb5c63f705c9d546a054c60d326cbde7421421e2d2565ce3e2eee4e1a01f",
-                "sha256:b7f4b6aa6e87991ec7ce0e769689a977776db6704947e562102431474799a857",
-                "sha256:c04144a24103135ea0315d459431ac196fe96f55d3213bfd6d39d0247775c854",
-                "sha256:c522e496f9b9b70296a7675272ec21937ccfc15da664b74b9f58d98a641ce1b6",
-                "sha256:c5a99282848b6cae0056b85da17392a26b2d39178394fc25700bcf967e06e97a",
-                "sha256:c7a46639ba058d320c9f53a81db38119a74b8a7a1884df44d09fbe807d028aaf",
-                "sha256:d4b1cc7835b39835c75cf7c20c926b42e97d074147c902a9ebb7cf2c840dc4e2",
-                "sha256:d4d164df3d83d204c69f840da30b292ac7dc54285096c6171245b8d7807185aa",
-                "sha256:d61e9ecc849d8d44d7f80894ecff4abe347136e9d926560b818f6243409f3c86",
-                "sha256:d68e1762997bfebf9e5cf2a9fd0bcf9ca2fdd8136ce7b24bbd3bbfa4328f3e4a",
-                "sha256:e3c1808008124850115a3f7e793a975cfa5c8a26ceeeb9ff9cbb4485cac556df",
-                "sha256:f8cb80fe8d14307e4124f6fad64dfd87ab749c9d275f82b8b4ec84c84ecebdbe"
+                "sha256:09b6a94bbb1507b3fc75a3c98491f990b80a859eb5227378f6dac908dff74396",
+                "sha256:0cdc65cbb95ae6813c51acffa65dd8d8272a52da42e3967fc98788fe185a0e0c",
+                "sha256:21698ac65afe477400aacb56244b607477c192892e2f7a70492cae1e13f73040",
+                "sha256:250e158a1f36c965dde1f949366eae9a57504a8cd7a4d968e66c2d0b3c18198d",
+                "sha256:2cc70331b7aed25fed5260cf30a69e42eaf3d887a23a6e4f29a51167ae8a00e1",
+                "sha256:32af8923cfe7b115d40b88604412450d2e4714f4b9a69b1966dfe6012e254789",
+                "sha256:337ae79dc63b1c957dd2e9e7eed5235492886e2af45d8df4b28748ee4859b588",
+                "sha256:3a1eb8ed5dc2a7bc554a612a57253f3682aea7e4c54c742153aef6a12fde10ee",
+                "sha256:3ca04c2ccf6f70278905a371ae6eb61494e8c388e98cba909bc9458ceb73dda5",
+                "sha256:42207a5237d8b211df1c04da4a8700bb9f366f5d7be14b1a2e39cc33d330428c",
+                "sha256:4223002ab7faac63384019feb31eab4ae2233753fd06ea95690d4e148b5bf80d",
+                "sha256:50fa610ac1e45e9adc161227cccbd5c75f8eef25b2ad4a0e080d48c27023415d",
+                "sha256:5a64345a6f41c8c011df3f498cee8de39d9682ca2de14698b68a50bf3a03f6e5",
+                "sha256:5b030f91dd310c0f1d7da0654fcc9d8574fe430693e29c544f5558c2426e08eb",
+                "sha256:68b328500a20f328db6af2c6839eb69e3791b2cd544f5808a4b0123b130c7571",
+                "sha256:692a2b1e0c82c678c84ccb3a9a226e0553dd115be3d5c54b1bb6ef35bc464da9",
+                "sha256:6a091b9166ab9d8ff77c3155140105e76df1d585632fb9367a31b517960df78a",
+                "sha256:6c5e056a6dc1ce29d5e0e54bc1ce669f3035ec18cb7e5c853122b5fdfe216f8f",
+                "sha256:6c8e546c249f0d23821f4b31e5adfba8e39bc90140d39f7086d4a8422d1f0fa6",
+                "sha256:6d82bb74a44f103d566f6c86d6db0ed944e99a7da93d6490c1e987a2b91d5613",
+                "sha256:6f33587541eb6eb0292e82b314f5ef53159f63f14ae1c08b5ef6195732523afa",
+                "sha256:7e0f74c66b2d0081cee5093150407ec43d23d0d5c70aa5b41f438ead1d39bc8d",
+                "sha256:81ada150345ef9c709b647e2bcc8f688d62de6b8f06a7544bed76bef328c6636",
+                "sha256:8a215d3e9de2af881c4eee60bf2b3576fb2eeb591a9af37ff2919cd74b68f162",
+                "sha256:8df6722580ff89295e9d11b781d7a50ff6e48fdfe1c81362000925b4d4cbab31",
+                "sha256:9a981a65dc0082009399eac6600b0983120bc3b850f3c1ed986f68648d9dbb4c",
+                "sha256:a1906c954ee7287d46877636a66da157fc83553851013e42c862653ddacb380b",
+                "sha256:aaf42183f93ad3801bc08c8a111de16802a2c32d16dcb9700daf1a8ae12d9d28",
+                "sha256:af0683c905c856db70adf6d0f84398785f7be6cb4ffdad20d8e16fe426bdf6e8",
+                "sha256:b3bdbd9a5b2788b5c51c4fffa2f875103d3c6d01b8f0dc4abbf075cea11741f5",
+                "sha256:b4c73a3537f928ebf687244f2af9d477b3b14640b4472fcb2456ee0193850ba1",
+                "sha256:c2590fd682d3b9dbecb2710ba83b28ba9df18e0c3c26c78bb950715566784723",
+                "sha256:cd405d224c0f83f267bfcc430bd275195cb48bb9576f6949911faec16bba1216",
+                "sha256:cf1447ec09d7c9ef0b3a65cea905690ed78ed88717beaac537271c005b0e4ea2",
+                "sha256:d6753512214d0de6a5a1c05fe716a7d643c927eb0495341db6526577960cbb55",
+                "sha256:d713d8c4b36c4f69eef33a70a4521e37b75a3ac9c86ee96626c4b052337978cc",
+                "sha256:e424a385a234e0bbaac69b6b09894ce99aa285518dd9397846e78214671ec0b4",
+                "sha256:e8707ba6e783d144209dab0324cc72147a1de34d404a61a08eef96fbb3c8909f",
+                "sha256:ea2976a98076f44e7e8ab9a90b6dfa357253edddf687294b1bcd852ffe20e526",
+                "sha256:f12cd526188f36f161eb71fb275b06d1879c565b07cf0ab2c2408c5059df1fed",
+                "sha256:fa72fb1be5e6704d697471eb5cc07bf9cd98689be11ffa724efe2a3666d0f6c1"
             ],
             "index": "pypi",
-            "version": "==1.4.46"
+            "version": "==2.0.8"
         },
         "stack-data": {
             "hashes": [
@@ -298,11 +412,19 @@
         },
         "traitlets": {
             "hashes": [
-                "sha256:32500888f5ff7bbf3b9267ea31748fa657aaf34d56d85e60f91dda7dc7f5785b",
-                "sha256:a1ca5df6414f8b5760f7c5f256e326ee21b581742114545b462b35ffe3f04861"
+                "sha256:9e6ec080259b9a5940c797d58b613b5e31441c2257b87c2e795c5228ae80d2d8",
+                "sha256:f6cde21a9c68cf756af02035f72d5a723bf607e862e7be33ece505abf4a3bad9"
+            ],
+            "markers": "python_version >= '3.7'",
+            "version": "==5.9.0"
+        },
+        "typing-extensions": {
+            "hashes": [
+                "sha256:5cb5f4a79139d699607b3ef622a1dedafa84e115ab0024e0d9c044a9479ca7cb",
+                "sha256:fb33085c39dd998ac16d1431ebc293a8b3eedd00fd4a32de0ff79002c19511b4"
             ],
             "markers": "python_version >= '3.7'",
-            "version": "==5.8.1"
+            "version": "==4.5.0"
         },
         "wcwidth": {
             "hashes": [
@@ -313,11 +435,11 @@
         },
         "zipp": {
             "hashes": [
-                "sha256:83a28fcb75844b5c0cdaf5aa4003c2d728c77e05f5aeabe8e95e56727005fbaa",
-                "sha256:a7a22e05929290a67401440b39690ae6563279bced5f314609d9d03798f56766"
+                "sha256:112929ad649da941c23de50f356a2b5570c954b65150642bccdd66bf194d224b",
+                "sha256:48904fc76a60e542af151aded95726c1a5c34ed43ab4134b597665c86d7ad556"
             ],
-            "markers": "python_version < '3.10'",
-            "version": "==3.11.0"
+            "markers": "python_version >= '3.7'",
+            "version": "==3.15.0"
         }
     },
     "develop": {}
diff --git a/freebies.db b/freebies.db
new file mode 100644
index 000000000..e69de29bb
diff --git a/lib/debug.py b/lib/debug.py
index 4f922eb69..24e1ce65c 100644
--- a/lib/debug.py
+++ b/lib/debug.py
@@ -1,9 +1,27 @@
 #!/usr/bin/env python3
 
 from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
+
+from faker import Faker
+fake = Faker()
+
+from models import Company, Dev, Freebie, session
 
-from models import Company, Dev
 
 if __name__ == '__main__':
     engine = create_engine('sqlite:///freebies.db')
+    # Session = sessionmaker(bind=engine)
+    # session = Session()
+    # session.rollback()
+  
+    
+    companies = session.query(Company).all()
+    devs = session.query(Dev).all()
+    freebies = session.query(Freebie).all()
+    
+    dev1=devs[0]
+    company1 = companies[0]
+    freebie1 = freebies[0]
+    
     import ipdb; ipdb.set_trace()
diff --git a/lib/freebies.db b/lib/freebies.db
index 12beb1c96..3c6ba956a 100644
Binary files a/lib/freebies.db and b/lib/freebies.db differ
diff --git a/lib/migrations/versions/0d82b8c5d67a_create_freebies_table_and_associations.py b/lib/migrations/versions/0d82b8c5d67a_create_freebies_table_and_associations.py
new file mode 100644
index 000000000..a8dff5377
--- /dev/null
+++ b/lib/migrations/versions/0d82b8c5d67a_create_freebies_table_and_associations.py
@@ -0,0 +1,37 @@
+"""Create Freebies Table and Associations
+
+Revision ID: 0d82b8c5d67a
+Revises: 5f72c58bf48c
+Create Date: 2023-03-31 21:47:53.669804
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '0d82b8c5d67a'
+down_revision = '5f72c58bf48c'
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('freebies',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('item_name', sa.String(), nullable=True),
+    sa.Column('value', sa.Integer(), nullable=True),
+    sa.Column('company_id', sa.Integer(), nullable=True),
+    sa.Column('dev_id', sa.Integer(), nullable=True),
+    sa.ForeignKeyConstraint(['company_id'], ['companies.id'], name=op.f('fk_freebies_company_id_companies')),
+    sa.ForeignKeyConstraint(['dev_id'], ['devs.id'], name=op.f('fk_freebies_dev_id_devs')),
+    sa.PrimaryKeyConstraint('id')
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('freebies')
+    # ### end Alembic commands ###
diff --git a/lib/models.py b/lib/models.py
index 2681bee5a..93e1df1a2 100644
--- a/lib/models.py
+++ b/lib/models.py
@@ -1,6 +1,9 @@
-from sqlalchemy import ForeignKey, Column, Integer, String, MetaData
-from sqlalchemy.orm import relationship, backref
+from sqlalchemy import ForeignKey, Column, Integer, String, MetaData, Table
+from sqlalchemy.orm import relationship, backref, sessionmaker
+from sqlalchemy.ext.associationproxy import association_proxy
 from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy import create_engine
+# from debug import session
 
 convention = {
     "fk": "fk_%(table_name)s_%(column_0_name)s_%(referred_table_name)s",
@@ -9,21 +12,85 @@
 
 Base = declarative_base(metadata=metadata)
 
+engine = create_engine('sqlite:///freebies.db')
+Session = sessionmaker(bind=engine)
+session = Session()
+
+# freebies = Table(
+#     'freebies',
+#     Base.metadata,
+#     Column('dev_id', ForeignKey('dev.id'), primary_key=True),
+#     Column('company_id', ForeignKey('company.id'), primary_key=True),
+#     extend_existing=True
+#     )
+
 class Company(Base):
     __tablename__ = 'companies'
 
     id = Column(Integer(), primary_key=True)
     name = Column(String())
     founding_year = Column(Integer())
+    
+    freebies = relationship('Freebie', backref=backref('company'))
+    devs = association_proxy('freebies', 'dev', creator=lambda d: Freebie(dev=d))
 
     def __repr__(self):
         return f'<Company {self.name}>'
+    
+    def give_freebie(self, dev, item_name, value):
+        freebie = Freebie(dev=dev, item_name=item_name, value=value, company_id=self.id)
+        session.add(freebie)
+        session.commit()
+    
+    @classmethod
+    def oldest_company(cls):
+        return session.query(cls).order_by(cls.founding_year.asc()).first()
+        
 
 class Dev(Base):
     __tablename__ = 'devs'
 
     id = Column(Integer(), primary_key=True)
     name= Column(String())
+    
+    freebies = relationship('Freebie', backref=backref('dev'))
+    companies = association_proxy('freebies', 'company', creator=lambda co: Freebie(company=co))
+    
+    def received_one(self,item):
+        for freebie in self.freebies:
+            if freebie.item_name == item:
+                return True
+        return False
+    
+    def give_away(self, other_dev, freebie):
+        if freebie in self.freebies:
+            freebie.dev = other_dev
+            return f"{freebie.item_name} now belongs to {other_dev.name}"
+        else:
+            return "Aye! Did you steal that!?"
 
     def __repr__(self):
         return f'<Dev {self.name}>'
+    
+class Freebie(Base):
+    __tablename__ = 'freebies'
+    
+    id = Column(Integer(), primary_key=True)
+    item_name = Column(String())
+    value = Column(Integer())
+    company_id = Column(Integer(), ForeignKey('companies.id'))
+    dev_id = Column(Integer(), ForeignKey('devs.id'))
+    
+    def __repr__(self):
+        return f"Freebie(id={self.id}), " + \
+            f"item_name={self.item_name}, " + \
+            f"value={self.value}, " + \
+            f"company={self.company_id}, " + \
+            f"dev={self.dev_id}"
+            
+    def print_details(self):
+        dev = session.query(Dev).filter(Dev.id == self.dev.id)
+        return f"{self.dev.name} owns a {self.item_name} from {self.company.name}"
+        
+        
+        
diff --git a/lib/seed.py b/lib/seed.py
index b16becbbb..23ed5a8da 100644
--- a/lib/seed.py
+++ b/lib/seed.py
@@ -1,3 +1,48 @@
 #!/usr/bin/env python3
 
-# Script goes here!
+from random import choice as rc
+from faker import Faker
+fake = Faker()
+
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
+
+from models import Company, Dev, Freebie
+
+engine = create_engine('sqlite:///freebies.db')
+Session = sessionmaker(bind=engine)
+session = Session()
+
+print("deleting records")
+def delete_records():
+    session.query(Company).delete()
+    session.query(Dev).delete()
+    session.query(Freebie).delete()
+    session.commit()
+
+print("creating new records")
+def create_records():
+    companies = [Company(name=fake.company(), founding_year=int(fake.year())) for i in range(50)]
+    devs = [Dev(name=fake.name()) for i in range(1000)]
+    freebies = [Freebie(item_name=fake.word(), value=rc(range(2000))) for i in range(5000)]
+    session.add_all(companies + devs + freebies)
+    session.commit()
+    return companies, devs, freebies
+    
+print("creating relationships")
+def relate_many_to_many(companies, devs, freebies):
+    for freebie in freebies:
+        freebie.company = rc(companies)
+        freebie.dev = rc(devs)
+        
+    session.add_all(freebies + companies + devs)
+    session.commit()
+    return companies, devs, freebies
+        
+print("putting it all together...")
+if __name__ == '__main__':
+    delete_records()
+    companies, devs, freebies = create_records()
+    companies, devs, freebies = relate_many_to_many(companies, devs, freebies)
+    print("Success!")
+    
\ No newline at end of file