diff --git a/Pipfile b/Pipfile
index 63c79cd98..cb0c3f812 100644
--- a/Pipfile
+++ b/Pipfile
@@ -4,11 +4,13 @@ verify_ssl = true
 name = "pypi"
 
 [packages]
-alembic = "1.8.1"
+alembic = "*"
 importlib-metadata = "6.0.0"
 importlib-resources = "5.10.0"
 ipdb = "0.13.9"
 sqlalchemy = "1.4.42"
+faker = "*"
+pytest = "*"
 
 [dev-packages]
 
diff --git a/Pipfile.lock b/Pipfile.lock
index 3923f4a97..0c08ed7b7 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "fa62c636b7ae5acb4993fc7b007a651c55b562aa29962a9a8585ec314b352ae6"
+            "sha256": "cbeba902ededab62141e577cdded830b2af69773f249c5001e5bc26f403e72f9"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -18,26 +18,19 @@
     "default": {
         "alembic": {
             "hashes": [
-                "sha256:6880dec4f28dd7bd999d2ed13fbe7c9d4337700a44d11a524c0ce0c59aaf0dbd",
-                "sha256:e8a6ff9f3b1887e1fed68bfb8fb9a000d8f61c21bdcc85b67bb9f87fcbc4fce3"
+                "sha256:a23974ea301c3ee52705db809c7413cecd165290c6679b9998dd6c74342ca23a",
+                "sha256:ab4b3b94d2e1e5f81e34be8a9b7b7575fc9dd5398fccb0bef351ec9b14872623"
             ],
             "index": "pypi",
-            "version": "==1.9.2"
-        },
-        "appnope": {
-            "hashes": [
-                "sha256:02bd91c4de869fbb1e1c50aafc4098827a7a54ab2f39d9dcba6c9547ed920e24",
-                "sha256:265a455292d0bd8a72453494fa24df5a11eb18373a60c7c0430889f22548605e"
-            ],
-            "markers": "sys_platform == 'darwin'",
-            "version": "==0.1.3"
+            "markers": "python_version >= '3.8'",
+            "version": "==1.13.0"
         },
         "asttokens": {
             "hashes": [
-                "sha256:4622110b2a6f30b77e1473affaa97e711bc2f07d3f10848420ff1898edbe94f3",
-                "sha256:6b0ac9e93fb0335014d382b8fa9b3afa7df546984258005da0b9e7095b3deb1c"
+                "sha256:051ed49c3dcae8913ea7cd08e46a606dba30b79993209636c4875bc1d637bc24",
+                "sha256:b03869718ba9a6eb027e134bfdf69f38a236d681c83c160d510768af11254ba0"
             ],
-            "version": "==2.2.1"
+            "version": "==2.4.1"
         },
         "backcall": {
             "hashes": [
@@ -51,119 +44,221 @@
                 "sha256:637996211036b6385ef91435e4fae22989472f9d571faba8927ba8253acbc330",
                 "sha256:b8c3f85900b9dc423225913c5aace94729fe1fa9763b38939a95226f02d37186"
             ],
-            "markers": "python_version < '3.11' and python_version >= '3.7'",
+            "markers": "python_version >= '3.7'",
             "version": "==5.1.1"
         },
-        "executing": {
+        "exceptiongroup": {
             "hashes": [
-                "sha256:0314a69e37426e3608aada02473b4161d4caf5a4b244d1d0c48072b8fee7bacc",
-                "sha256:19da64c18d2d851112f09c287f8d3dbbdf725ab0e569077efb6cdcbd3497c107"
+                "sha256:4bfd3996ac73b41e9b9628b04e079f193850720ea5945fc96a08633c66912f14",
+                "sha256:91f5c769735f051a4290d52edd0858999b57e5876e9f85937691bd4c9fa3ed68"
             ],
+            "markers": "python_version < '3.11'",
             "version": "==1.2.0"
         },
+        "executing": {
+            "hashes": [
+                "sha256:35afe2ce3affba8ee97f2d69927fa823b08b472b7b994e36a52a964b93d16147",
+                "sha256:eac49ca94516ccc753f9fb5ce82603156e590b27525a8bc32cce8ae302eb61bc"
+            ],
+            "markers": "python_version >= '3.5'",
+            "version": "==2.0.1"
+        },
+        "faker": {
+            "hashes": [
+                "sha256:562a3a09c3ed3a1a7b20e13d79f904dfdfc5e740f72813ecf95e4cf71e5a2f52",
+                "sha256:aeb3e26742863d1e387f9d156f1c36e14af63bf5e6f36fb39b8c27f6a903be38"
+            ],
+            "index": "pypi",
+            "markers": "python_version >= '3.8'",
+            "version": "==20.1.0"
+        },
+        "greenlet": {
+            "hashes": [
+                "sha256:006c1028ac0cfcc4e772980cfe73f5476041c8c91d15d64f52482fc571149d46",
+                "sha256:0acadbc3f72cb0ee85070e8d36bd2a4673d2abd10731ee73c10222cf2dd4713c",
+                "sha256:0c0fdb8142742ee68e97c106eb81e7d3e883cc739d9c5f2b28bc38a7bafeb6d1",
+                "sha256:0df7eed98ea23b20e9db64d46eb05671ba33147df9405330695bcd81a73bb0c9",
+                "sha256:10d247260db20887ae8857c0cbc750b9170f0b067dd7d38fb68a3f2334393bd3",
+                "sha256:14b5d999aefe9ffd2049ad19079f733c3aaa426190ffecadb1d5feacef8fe397",
+                "sha256:18fe39d70d482b22f0014e84947c5aaa7211fb8e13dc4cc1c43ed2aa1db06d9a",
+                "sha256:1c1129bc47266d83444c85a8e990ae22688cf05fb20d7951fd2866007c2ba9bc",
+                "sha256:1dac09e3c0b78265d2e6d3cbac2d7c48bd1aa4b04a8ffeda3adde9f1688df2c3",
+                "sha256:2c93cd03acb1499ee4de675e1a4ed8eaaa7227f7949dc55b37182047b006a7aa",
+                "sha256:2e9c5423046eec21f6651268cb674dfba97280701e04ef23d312776377313206",
+                "sha256:2ee59c4627c8c4bb3e15949fbcd499abd6b7f4ad9e0bfcb62c65c5e2cabe0ec4",
+                "sha256:339c0272a62fac7e602e4e6ec32a64ff9abadc638b72f17f6713556ed011d493",
+                "sha256:38878744926cec29b5cc3654ef47f3003f14bfbba7230e3c8492393fe29cc28b",
+                "sha256:3e4bfa752b3688d74ab1186e2159779ff4867644d2b1ebf16db14281f0445377",
+                "sha256:520fcb53a39ef90f5021c77606952dbbc1da75d77114d69b8d7bded4a8e1a813",
+                "sha256:5f9ea7c2c9795549653b6f7569f6bc75d2c7d1f6b2854eb8ce0bc6ec3cb2dd88",
+                "sha256:654b84c9527182036747938b81938f1d03fb8321377510bc1854a9370418ab66",
+                "sha256:6d65bec56a7bc352bcf11b275b838df618651109074d455a772d3afe25390b7d",
+                "sha256:7363756cc439a503505b67983237d1cc19139b66488263eb19f5719a32597836",
+                "sha256:80d068e4b6e2499847d916ef64176811ead6bf210a610859220d537d935ec6fd",
+                "sha256:8756a94ed8f293450b0e91119eca2a36332deba69feb2f9ca410d35e74eae1e4",
+                "sha256:89a6f6ddcbef4000cda7e205c4c20d319488ff03db961d72d4e73519d2465309",
+                "sha256:8f34a765c5170c0673eb747213a0275ecc749ab3652bdbec324621ed5b2edaef",
+                "sha256:8f8d14a0a4e8c670fbce633d8b9a1ee175673a695475acd838e372966845f764",
+                "sha256:950e21562818f9c771989b5b65f990e76f4ac27af66e1bb34634ae67886ede2a",
+                "sha256:9560c580c896030ff9c311c603aaf2282234643c90d1dec738a1d93e3e53cd51",
+                "sha256:9acd8fd67c248b8537953cb3af8787c18a87c33d4dcf6830e410ee1f95a63fd4",
+                "sha256:a37ae53cca36823597fd5f65341b6f7bac2dd69ecd6ca01334bb795460ab150b",
+                "sha256:aecea0442975741e7d69daff9b13c83caff8c13eeb17485afa65f6360a045765",
+                "sha256:b1405614692ac986490d10d3e1a05e9734f473750d4bee3cf7d1286ef7af7da6",
+                "sha256:b1fd25dfc5879a82103b3d9e43fa952e3026c221996ff4d32a9c72052544835d",
+                "sha256:b2cedf279ca38ef3f4ed0d013a6a84a7fc3d9495a716b84a5fc5ff448965f251",
+                "sha256:b3f0497db77cfd034f829678b28267eeeeaf2fc21b3f5041600f7617139e6773",
+                "sha256:bfcecc984d60b20ffe30173b03bfe9ba6cb671b0be1e95c3e2056d4fe7006590",
+                "sha256:c1f647fe5b94b51488b314c82fdda10a8756d650cee8d3cd29f657c6031bdf73",
+                "sha256:c235131bf59d2546bb3ebaa8d436126267392f2e51b85ff45ac60f3a26549af0",
+                "sha256:c27b142a9080bdd5869a2fa7ebf407b3c0b24bd812db925de90e9afe3c417fd6",
+                "sha256:c42bb589e6e9f9d8bdd79f02f044dff020d30c1afa6e84c0b56d1ce8a324553c",
+                "sha256:cd5bc4fde0842ff2b9cf33382ad0b4db91c2582db836793d58d174c569637144",
+                "sha256:cecfdc950dd25f25d6582952e58521bca749cf3eeb7a9bad69237024308c8196",
+                "sha256:d1fceb5351ab1601903e714c3028b37f6ea722be6873f46e349a960156c05650",
+                "sha256:d4d0df07a38e41a10dfb62c6fc75ede196572b580f48ee49b9282c65639f3965",
+                "sha256:d5547b462b8099b84746461e882a3eb8a6e3f80be46cb6afb8524eeb191d1a30",
+                "sha256:d64643317e76b4b41fdba659e7eca29634e5739b8bc394eda3a9127f697ed4b0",
+                "sha256:db4233358d3438369051a2f290f1311a360d25c49f255a6c5d10b5bcb3aa2b49",
+                "sha256:e0e28f5233d64c693382f66d47c362b72089ebf8ac77df7e12ac705c9fa1163d",
+                "sha256:e79fb5a9fb2d0bd3b6573784f5e5adabc0b0566ad3180a028af99523ce8f6138",
+                "sha256:e84bef3cfb6b6bfe258c98c519811c240dbc5b33a523a14933a252e486797c90",
+                "sha256:ed1a8a08de7f68506a38f9a2ddb26bbd1480689e66d788fcd4b5f77e2d9ecfcc",
+                "sha256:ed9bf77b41798e8417657245b9f3649314218a4a17aefb02bb3992862df32495",
+                "sha256:edf7a1daba1f7c54326291a8cde58da86ab115b78c91d502be8744f0aa8e3ffa",
+                "sha256:f260e6c2337871a52161824058923df2bbddb38bc11a5cbe71f3474d877c5bd9",
+                "sha256:f27aa32466993c92d326df982c4acccd9530fe354e938d9e9deada563e71ce76",
+                "sha256:f4cf532bf3c58a862196b06947b1b5cc55503884f9b63bf18582a75228d9950e",
+                "sha256:fb5d60805057d8948065338be6320d35e26b0a72f45db392eb32b70dd6dc9227",
+                "sha256:fc14dd9554f88c9c1fe04771589ae24db76cd56c8f1104e4381b383d6b71aff8",
+                "sha256:fefd5eb2c0b1adffdf2802ff7df45bfe65988b15f6b972706a0e55d451bffaea"
+            ],
+            "markers": "python_version >= '3' and 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": "==3.0.2"
+        },
         "importlib-metadata": {
             "hashes": [
                 "sha256:7efb448ec9a5e313a57655d35aa54cd3e01b7e1fbcf72dce1bf06119420f5bad",
                 "sha256:e354bedeb60efa6affdcc8ae121b73544a7aa74156d047311948f6d711cd378d"
             ],
             "index": "pypi",
+            "markers": "python_version >= '3.7'",
             "version": "==6.0.0"
         },
         "importlib-resources": {
             "hashes": [
-                "sha256:7d543798b0beca10b6a01ac7cafda9f822c54db9e8376a6bf57e0cbd74d486b6",
-                "sha256:e4a96c8cc0339647ff9a5e0550d9f276fc5a01ffa276012b58ec108cfd7b8484"
+                "sha256:c01b1b94210d9849f286b86bb51bcea7cd56dde0600d8db721d7b81330711668",
+                "sha256:ee17ec648f85480d523596ce49eae8ead87d5631ae1551f913c0100b5edd3437"
             ],
             "index": "pypi",
-            "version": "==5.10.2"
+            "markers": "python_version >= '3.7'",
+            "version": "==5.10.0"
+        },
+        "iniconfig": {
+            "hashes": [
+                "sha256:2d91e135bf72d31a410b17c16da610a82cb55f6b0477d1a902134b24a455b8b3",
+                "sha256:b6a85871a79d2e3b22d2d1b94ac2824226a63c6b741c88f7ae975f18b6778374"
+            ],
+            "markers": "python_version >= '3.7'",
+            "version": "==2.0.0"
         },
         "ipdb": {
             "hashes": [
-                "sha256:c23b6736f01fd4586cc2ecbebdf79a5eb454796853e1cd8f2ed3b7b91d4a3e93",
-                "sha256:f74c2f741c18b909eaf89f19fde973f745ac721744aa1465888ce45813b63a9c"
+                "sha256:951bd9a64731c444fd907a5ce268543020086a697f6be08f7cc2c9a752a278c5"
             ],
             "index": "pypi",
-            "version": "==0.13.11"
+            "markers": "python_version >= '2.7'",
+            "version": "==0.13.9"
         },
         "ipython": {
             "hashes": [
-                "sha256:da01e6df1501e6e7c32b5084212ddadd4ee2471602e2cf3e0190f4de6b0ea481",
-                "sha256:f3bf2c08505ad2c3f4ed5c46ae0331a8547d36bf4b21a451e8ae80c0791db95b"
+                "sha256:3910c4b54543c2ad73d06579aa771041b7d5707b033bd488669b4cf544e3b363",
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             ],
-            "markers": "python_version < '3.11' and python_version >= '3.7'",
-            "version": "==8.8.0"
+            "markers": "python_version >= '3.7'",
+            "version": "==8.12.3"
         },
         "jedi": {
             "hashes": [
-                "sha256:203c1fd9d969ab8f2119ec0a3342e0b49910045abe6af0a3ae83a5764d54639e",
-                "sha256:bae794c30d07f6d910d32a7048af09b5a39ed740918da923c6b780790ebac612"
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             ],
             "markers": "python_version >= '3.6'",
-            "version": "==0.18.2"
+            "version": "==0.19.1"
         },
         "mako": {
             "hashes": [
-                "sha256:c97c79c018b9165ac9922ae4f32da095ffd3c4e6872b45eded42926deea46818",
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+                "sha256:57d4e997349f1a92035aa25c17ace371a4213f2ca42f99bee9a602500cfd54d9",
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             ],
-            "markers": "python_version >= '3.7'",
-            "version": "==1.2.4"
+            "markers": "python_version >= '3.8'",
+            "version": "==1.3.0"
         },
         "markupsafe": {
             "hashes": [
-                "sha256:0576fe974b40a400449768941d5d0858cc624e3249dfd1e0c33674e5c7ca7aed",
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             "markers": "python_version >= '3.7'",
-            "version": "==2.1.2"
+            "version": "==2.1.3"
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         "matplotlib-inline": {
             "hashes": [
@@ -173,6 +268,14 @@
             "markers": "python_version >= '3.5'",
             "version": "==0.1.6"
         },
+        "packaging": {
+            "hashes": [
+                "sha256:048fb0e9405036518eaaf48a55953c750c11e1a1b68e0dd1a9d62ed0c092cfc5",
+                "sha256:8c491190033a9af7e1d931d0b5dacc2ef47509b34dd0de67ed209b5203fc88c7"
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+            "markers": "python_version >= '3.7'",
+            "version": "==23.2"
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                 "sha256:8c07be290bb59f03588915921e29e8a50002acaf2cdc5fa0e0114f91709fafa0",
@@ -183,11 +286,11 @@
         },
         "pexpect": {
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             "markers": "sys_platform != 'win32'",
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         },
         "pickleshare": {
             "hashes": [
@@ -196,13 +299,21 @@
             ],
             "version": "==0.7.5"
         },
+        "pluggy": {
+            "hashes": [
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+            "markers": "python_version >= '3.8'",
+            "version": "==1.3.0"
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-            "markers": "python_full_version >= '3.6.2'",
-            "version": "==3.0.36"
+            "markers": "python_full_version >= '3.7.0'",
+            "version": "==3.0.41"
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         "ptyprocess": {
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@@ -220,11 +331,36 @@
         },
         "pygments": {
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-            "markers": "python_version >= '3.6'",
-            "version": "==2.14.0"
+            "markers": "python_version >= '3.7'",
+            "version": "==2.17.2"
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@@ -236,88 +372,105 @@
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+                "sha256:5ce6929417d5dce5ad1d3f147db81735a4a0573b8fb36e3f95500a06eaddd93e",
+                "sha256:5ede1495174e69e273fad68ad45b6d25c135c1ce67723e40f6cf536cb515e20b",
+                "sha256:5f966b64c852592469a7eb759615bbd351571340b8b344f1d3fa2478b5a4c934",
+                "sha256:6045b3089195bc008aee5c273ec3ba9a93f6a55bc1b288841bd4cfac729b6516",
+                "sha256:6c9d004eb78c71dd4d3ce625b80c96a827d2e67af9c0d32b1c1e75992a7916cc",
+                "sha256:6e39e97102f8e26c6c8550cb368c724028c575ec8bc71afbbf8faaffe2b2092a",
+                "sha256:723e3b9374c1ce1b53564c863d1a6b2f1dc4e97b1c178d9b643b191d8b1be738",
+                "sha256:876eb185911c8b95342b50a8c4435e1c625944b698a5b4a978ad2ffe74502908",
+                "sha256:9256563506e040daddccaa948d055e006e971771768df3bb01feeb4386c242b0",
+                "sha256:934472bb7d8666727746a75670a1f8d91a9cae8c464bba79da30a0f6faccd9e1",
+                "sha256:97ff50cd85bb907c2a14afb50157d0d5486a4b4639976b4a3346f34b6d1b5272",
+                "sha256:9b01d9cd2f9096f688c71a3d0f33f3cd0af8549014e66a7a7dee6fc214a7277d",
+                "sha256:9e3a65ce9ed250b2f096f7b559fe3ee92e6605fab3099b661f0397a9ac7c8d95",
+                "sha256:a7dd5b7b34a8ba8d181402d824b87c5cee8963cb2e23aa03dbfe8b1f1e417cde",
+                "sha256:a85723c00a636eed863adb11f1e8aaa36ad1c10089537823b4540948a8429798",
+                "sha256:b42c59ffd2d625b28cdb2ae4cde8488543d428cba17ff672a543062f7caee525",
+                "sha256:bd448b262544b47a2766c34c0364de830f7fb0772d9959c1c42ad61d91ab6565",
+                "sha256:ca9389a00f639383c93ed00333ed763812f80b5ae9e772ea32f627043f8c9c88",
+                "sha256:df76e9c60879fdc785a34a82bf1e8691716ffac32e7790d31a98d7dec6e81545",
+                "sha256:e12c6949bae10f1012ab5c0ea52ab8db99adcb8c7b717938252137cdf694c775",
+                "sha256:e4ef8cb3c5b326f839bfeb6af5f406ba02ad69a78c7aac0fbeeba994ad9bb48a",
+                "sha256:e7e740453f0149437c101ea4fdc7eea2689938c5760d7dcc436c863a12f1f565",
+                "sha256:effc89e606165ca55f04f3f24b86d3e1c605e534bf1a96e4e077ce1b027d0b71",
+                "sha256:f0f574465b78f29f533976c06b913e54ab4980b9931b69aa9d306afff13a9471",
+                "sha256:fa5b7eb2051e857bf83bade0641628efe5a88de189390725d3e6033a1fff4257",
+                "sha256:fdb94a3d1ba77ff2ef11912192c066f01e68416f554c194d769391638c8ad09a"
             ],
             "index": "pypi",
-            "version": "==1.4.46"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4, 3.5'",
+            "version": "==1.4.42"
         },
         "stack-data": {
             "hashes": [
-                "sha256:32d2dd0376772d01b6cb9fc996f3c8b57a357089dec328ed4b6553d037eaf815",
-                "sha256:cbb2a53eb64e5785878201a97ed7c7b94883f48b87bfb0bbe8b623c74679e4a8"
+                "sha256:836a778de4fec4dcd1dcd89ed8abff8a221f58308462e1c4aa2a3cf30148f0b9",
+                "sha256:d5558e0c25a4cb0853cddad3d77da9891a08cb85dd9f9f91b9f8cd66e511e695"
             ],
-            "version": "==0.6.2"
+            "version": "==0.6.3"
+        },
+        "toml": {
+            "hashes": [
+                "sha256:806143ae5bfb6a3c6e736a764057db0e6a0e05e338b5630894a5f779cabb4f9b",
+                "sha256:b3bda1d108d5dd99f4a20d24d9c348e91c4db7ab1b749200bded2f839ccbe68f"
+            ],
+            "markers": "python_version >= '3.7'",
+            "version": "==0.10.2"
         },
         "tomli": {
             "hashes": [
                 "sha256:939de3e7a6161af0c887ef91b7d41a53e7c5a1ca976325f429cb46ea9bc30ecc",
                 "sha256:de526c12914f0c550d15924c62d72abc48d6fe7364aa87328337a31007fe8a4f"
             ],
-            "markers": "python_version < '3.11' and python_version >= '3.7'",
+            "markers": "python_version < '3.11'",
             "version": "==2.0.1"
         },
         "traitlets": {
             "hashes": [
-                "sha256:32500888f5ff7bbf3b9267ea31748fa657aaf34d56d85e60f91dda7dc7f5785b",
-                "sha256:a1ca5df6414f8b5760f7c5f256e326ee21b581742114545b462b35ffe3f04861"
+                "sha256:f14949d23829023013c47df20b4a76ccd1a85effb786dc060f34de7948361b33",
+                "sha256:fcdaa8ac49c04dfa0ed3ee3384ef6dfdb5d6f3741502be247279407679296772"
             ],
-            "markers": "python_version >= '3.7'",
-            "version": "==5.8.1"
+            "markers": "python_version >= '3.8'",
+            "version": "==5.14.0"
+        },
+        "typing-extensions": {
+            "hashes": [
+                "sha256:23478f88c37f27d76ac8aee6c905017a143b0b1b886c3c9f66bc2fd94f9f5783",
+                "sha256:af72aea155e91adfc61c3ae9e0e342dbc0cba726d6cba4b6c72c1f34e47291cd"
+            ],
+            "markers": "python_version < '3.9'",
+            "version": "==4.9.0"
         },
         "wcwidth": {
             "hashes": [
-                "sha256:795b138f6875577cd91bba52baf9e445cd5118fd32723b460e30a0af30ea230e",
-                "sha256:a5220780a404dbe3353789870978e472cfe477761f06ee55077256e509b156d0"
+                "sha256:f01c104efdf57971bcb756f054dd58ddec5204dd15fa31d6503ea57947d97c02",
+                "sha256:f26ec43d96c8cbfed76a5075dac87680124fa84e0855195a6184da9c187f133c"
             ],
-            "version": "==0.2.6"
+            "version": "==0.2.12"
         },
         "zipp": {
             "hashes": [
-                "sha256:83a28fcb75844b5c0cdaf5aa4003c2d728c77e05f5aeabe8e95e56727005fbaa",
-                "sha256:a7a22e05929290a67401440b39690ae6563279bced5f314609d9d03798f56766"
+                "sha256:0e923e726174922dce09c53c59ad483ff7bbb8e572e00c7f7c46b88556409f31",
+                "sha256:84e64a1c28cf7e91ed2078bb8cc8c259cb19b76942096c8d7b84947690cabaf0"
             ],
-            "markers": "python_version < '3.10'",
-            "version": "==3.11.0"
+            "markers": "python_version >= '3.8'",
+            "version": "==3.17.0"
         }
     },
     "develop": {}
diff --git a/alembic/README b/alembic/README
new file mode 100644
index 000000000..98e4f9c44
--- /dev/null
+++ b/alembic/README
@@ -0,0 +1 @@
+Generic single-database configuration.
\ No newline at end of file
diff --git a/alembic/env.py b/alembic/env.py
new file mode 100644
index 000000000..70518a2ee
--- /dev/null
+++ b/alembic/env.py
@@ -0,0 +1,77 @@
+from logging.config import fileConfig
+
+from sqlalchemy import engine_from_config
+from sqlalchemy import pool
+
+from alembic import context
+
+# this is the Alembic Config object, which provides
+# access to the values within the .ini file in use.
+config = context.config
+
+# Interpret the config file for Python logging.
+# This line sets up loggers basically.
+fileConfig(config.config_file_name)
+
+# add your model's MetaData object here
+# for 'autogenerate' support
+# from myapp import mymodel
+# target_metadata = mymodel.Base.metadata
+target_metadata = None
+
+# other values from the config, defined by the needs of env.py,
+# can be acquired:
+# my_important_option = config.get_main_option("my_important_option")
+# ... etc.
+
+
+def run_migrations_offline():
+    """Run migrations in 'offline' mode.
+
+    This configures the context with just a URL
+    and not an Engine, though an Engine is acceptable
+    here as well.  By skipping the Engine creation
+    we don't even need a DBAPI to be available.
+
+    Calls to context.execute() here emit the given string to the
+    script output.
+
+    """
+    url = config.get_main_option("sqlalchemy.url")
+    context.configure(
+        url=url,
+        target_metadata=target_metadata,
+        literal_binds=True,
+        dialect_opts={"paramstyle": "named"},
+    )
+
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+def run_migrations_online():
+    """Run migrations in 'online' mode.
+
+    In this scenario we need to create an Engine
+    and associate a connection with the context.
+
+    """
+    connectable = engine_from_config(
+        config.get_section(config.config_ini_section),
+        prefix="sqlalchemy.",
+        poolclass=pool.NullPool,
+    )
+
+    with connectable.connect() as connection:
+        context.configure(
+            connection=connection, target_metadata=target_metadata
+        )
+
+        with context.begin_transaction():
+            context.run_migrations()
+
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()
diff --git a/alembic/script.py.mako b/alembic/script.py.mako
new file mode 100644
index 000000000..2c0156303
--- /dev/null
+++ b/alembic/script.py.mako
@@ -0,0 +1,24 @@
+"""${message}
+
+Revision ID: ${up_revision}
+Revises: ${down_revision | comma,n}
+Create Date: ${create_date}
+
+"""
+from alembic import op
+import sqlalchemy as sa
+${imports if imports else ""}
+
+# revision identifiers, used by Alembic.
+revision = ${repr(up_revision)}
+down_revision = ${repr(down_revision)}
+branch_labels = ${repr(branch_labels)}
+depends_on = ${repr(depends_on)}
+
+
+def upgrade():
+    ${upgrades if upgrades else "pass"}
+
+
+def downgrade():
+    ${downgrades if downgrades else "pass"}
diff --git a/lib/__pycache__/models.cpython-310.pyc b/lib/__pycache__/models.cpython-310.pyc
new file mode 100644
index 000000000..e35109bea
Binary files /dev/null and b/lib/__pycache__/models.cpython-310.pyc differ
diff --git a/lib/alembic.ini b/lib/alembic.ini
index 953863ddd..7695119cc 100644
--- a/lib/alembic.ini
+++ b/lib/alembic.ini
@@ -1,3 +1,8 @@
+
+
+
+
+
 # A generic, single database configuration.
 
 [alembic]
diff --git a/lib/freebies.db b/lib/freebies.db
index 12beb1c96..6ce07e596 100644
Binary files a/lib/freebies.db and b/lib/freebies.db differ
diff --git a/lib/migrations/__pycache__/env.cpython-310.pyc b/lib/migrations/__pycache__/env.cpython-310.pyc
new file mode 100644
index 000000000..7f1abded1
Binary files /dev/null and b/lib/migrations/__pycache__/env.cpython-310.pyc differ
diff --git a/lib/migrations/env.py b/lib/migrations/env.py
index c7aab9656..5d97dd135 100644
--- a/lib/migrations/env.py
+++ b/lib/migrations/env.py
@@ -2,13 +2,15 @@
 
 from sqlalchemy import engine_from_config
 from sqlalchemy import pool
-
+from sqlalchemy import create_engine, MetaData
 from alembic import context
 
 # this is the Alembic Config object, which provides
 # access to the values within the .ini file in use.
 config = context.config
-
+db_url = "sqlite:///freebies.db"
+engine = create_engine(db_url)
+meta = MetaData()
 # Interpret the config file for Python logging.
 # This line sets up loggers basically.
 if config.config_file_name is not None:
@@ -77,3 +79,6 @@ def run_migrations_online() -> None:
     run_migrations_offline()
 else:
     run_migrations_online()
+
+
+target_metadata = meta
\ No newline at end of file
diff --git a/lib/migrations/versions/079375651341_updated_models.py b/lib/migrations/versions/079375651341_updated_models.py
new file mode 100644
index 000000000..367a3ec55
--- /dev/null
+++ b/lib/migrations/versions/079375651341_updated_models.py
@@ -0,0 +1,34 @@
+"""updated models
+
+Revision ID: 079375651341
+Revises: e9182cf24a3d
+Create Date: 2023-12-11 10:32:13.478899
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '079375651341'
+down_revision = 'e9182cf24a3d'
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('company_devs',
+    sa.Column('company_id', sa.Integer(), nullable=False),
+    sa.Column('dev_id', sa.Integer(), nullable=False),
+    sa.ForeignKeyConstraint(['company_id'], ['companies.id'], name=op.f('fk_company_devs_company_id_companies')),
+    sa.ForeignKeyConstraint(['dev_id'], ['devs.id'], name=op.f('fk_company_devs_dev_id_devs')),
+    sa.PrimaryKeyConstraint('company_id', 'dev_id')
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('company_devs')
+    # ### end Alembic commands ###
diff --git a/lib/migrations/versions/70310d00359c_add_freebie_model.py b/lib/migrations/versions/70310d00359c_add_freebie_model.py
new file mode 100644
index 000000000..dfb5548c3
--- /dev/null
+++ b/lib/migrations/versions/70310d00359c_add_freebie_model.py
@@ -0,0 +1,37 @@
+"""Add Freebie model
+
+Revision ID: 70310d00359c
+Revises: 5f72c58bf48c
+Create Date: 2023-12-11 06:49:31.464632
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '70310d00359c'
+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('dev_id', sa.Integer(), nullable=True),
+    sa.Column('company_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/migrations/versions/__pycache__/5f72c58bf48c_create_companies_devs.cpython-310.pyc b/lib/migrations/versions/__pycache__/5f72c58bf48c_create_companies_devs.cpython-310.pyc
new file mode 100644
index 000000000..3469a711e
Binary files /dev/null and b/lib/migrations/versions/__pycache__/5f72c58bf48c_create_companies_devs.cpython-310.pyc differ
diff --git a/lib/migrations/versions/__pycache__/70310d00359c_add_freebie_model.cpython-310.pyc b/lib/migrations/versions/__pycache__/70310d00359c_add_freebie_model.cpython-310.pyc
new file mode 100644
index 000000000..8d5c07328
Binary files /dev/null and b/lib/migrations/versions/__pycache__/70310d00359c_add_freebie_model.cpython-310.pyc differ
diff --git a/lib/migrations/versions/__pycache__/7a71dbf71c64_create_db.cpython-310.pyc b/lib/migrations/versions/__pycache__/7a71dbf71c64_create_db.cpython-310.pyc
new file mode 100644
index 000000000..19c7971af
Binary files /dev/null and b/lib/migrations/versions/__pycache__/7a71dbf71c64_create_db.cpython-310.pyc differ
diff --git a/lib/migrations/versions/__pycache__/e9182cf24a3d_add_freebie_model.cpython-310.pyc b/lib/migrations/versions/__pycache__/e9182cf24a3d_add_freebie_model.cpython-310.pyc
new file mode 100644
index 000000000..f196c865b
Binary files /dev/null and b/lib/migrations/versions/__pycache__/e9182cf24a3d_add_freebie_model.cpython-310.pyc differ
diff --git a/lib/migrations/versions/e9182cf24a3d_add_freebie_model.py b/lib/migrations/versions/e9182cf24a3d_add_freebie_model.py
new file mode 100644
index 000000000..791396433
--- /dev/null
+++ b/lib/migrations/versions/e9182cf24a3d_add_freebie_model.py
@@ -0,0 +1,28 @@
+"""Add Freebie model
+
+Revision ID: e9182cf24a3d
+Revises: 70310d00359c
+Create Date: 2023-12-11 09:17:47.862814
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'e9182cf24a3d'
+down_revision = '70310d00359c'
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    pass
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    pass
+    # ### end Alembic commands ###
diff --git a/lib/models.py b/lib/models.py
index 2681bee5a..3799e70c6 100644
--- a/lib/models.py
+++ b/lib/models.py
@@ -1,4 +1,4 @@
-from sqlalchemy import ForeignKey, Column, Integer, String, MetaData
+from sqlalchemy import ForeignKey, Column, Integer, String, MetaData,Table
 from sqlalchemy.orm import relationship, backref
 from sqlalchemy.ext.declarative import declarative_base
 
@@ -9,6 +9,14 @@
 
 Base = declarative_base(metadata=metadata)
 
+company_dev = Table(
+    'company_devs',
+    Base.metadata,
+    Column('company_id', ForeignKey('companies.id'), primary_key=True),
+    Column('dev_id', ForeignKey('devs.id'), primary_key=True),
+    extend_existing=True,
+)
+
 class Company(Base):
     __tablename__ = 'companies'
 
@@ -16,8 +24,17 @@ class Company(Base):
     name = Column(String())
     founding_year = Column(Integer())
 
+    freebies = relationship('Freebie', backref=backref('company'))
+    devs = relationship('Dev', secondary=company_dev, back_populates='companies')
+
+
     def __repr__(self):
-        return f'<Company {self.name}>'
+        return f'Company(id={self.id}, ' + \
+               f' name={self. name}, ' + \
+               f'founding_year={self.founding_year})'
+
+
+    
 
 class Dev(Base):
     __tablename__ = 'devs'
@@ -25,5 +42,33 @@ class Dev(Base):
     id = Column(Integer(), primary_key=True)
     name= Column(String())
 
+
+    freebies = relationship('Freebie', backref=backref('dev'))
+    companies = relationship('Company', secondary=company_dev, back_populates='devs')
+
+
     def __repr__(self):
-        return f'<Dev {self.name}>'
+        return f'Dev(id={self.id}, ' + \
+               f'name={self.name})'    
+
+class Freebie(Base):
+    __tablename__ = 'freebies'
+
+    id = Column(Integer(), primary_key=True)
+    item_name = Column(String())
+    value = Column(Integer())
+    dev_id = Column(Integer(), ForeignKey('devs.id'))
+    company_id = Column(Integer(), ForeignKey('companies.id'))
+
+    def print_details(self):
+        name=session.query(Dev).filter(Dev.id==self.dev_id)
+        # return f"{dev name} owns a {freebie item_name} from {company name}"
+
+    def __repr__(self):
+        return  f'Freebie(id={self.id}, ' + \
+                f'item_name ={self.item_name }, ' + \
+                f'value={self.value})'+ \
+                f'dev_id={self.dev_id})'+ \
+                f'company_id={self.company_id})'
+                 
+
diff --git a/lib/seed.py b/lib/seed.py
index b16becbbb..36bce8dab 100644
--- a/lib/seed.py
+++ b/lib/seed.py
@@ -1,3 +1,71 @@
 #!/usr/bin/env python3
 
-# Script goes here!
+from faker import Faker
+import random
+
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
+
+from models import Company, Freebie, Dev
+
+
+if __name__ == '__main__':
+    engine = create_engine('sqlite:///freebies.db')
+    Session = sessionmaker(bind=engine)
+    session = Session()
+
+    session.query(Company).delete()
+    session.query(Dev).delete()
+    session.query(Freebie).delete()
+
+    fake = Faker()
+
+    devs = []
+    for i in range(20):
+      dev = Dev(
+        name=fake.name())
+
+      session.add(dev)
+      session.commit()   
+      devs.append(dev)
+    
+
+    companies = []
+    for i in range(10):
+      company = Company(
+        name=fake.company(),
+        founding_year=fake.date())
+
+      session.add(company)
+      session.commit()  
+      companies.append(company)
+
+
+    
+
+
+    freebies = []
+    for company in companies:
+        for i in range(random.randint(1,5)):
+            dev = random.choice(devs)
+            if company not in dev.companies:
+                dev.companies.append(company)
+                session.add(dev)
+                session.commit()
+            
+            freebie = Freebie( 
+                item_name=fake.job(),
+                value=random.randint(100,200),
+                company_id=company.id,
+                dev_id=dev.id,
+
+            )
+
+  
+
+            freebies.append(freebie)
+    
+    session.add_all(freebies)
+    session.commit()
+    session.close()
+    
\ No newline at end of file
diff --git a/lib/test/conftest.py b/lib/test/conftest.py
new file mode 100644
index 000000000..82bd5b7dc
--- /dev/null
+++ b/lib/test/conftest.py
@@ -0,0 +1,7 @@
+#!/usr/bin/env python3
+
+import os
+
+package_dir = '/'.join(os.path.abspath(os.path.dirname(__file__)).split('/')[0:-1])
+db_dir = os.path.join(package_dir, 'freebies.db')
+SQLITE_URL = ''.join(['sqlite:///', db_dir])
\ No newline at end of file
diff --git a/lib/test/testModels.py b/lib/test/testModels.py
new file mode 100644
index 000000000..7dc7af76d
--- /dev/null
+++ b/lib/test/testModels.py
@@ -0,0 +1,61 @@
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
+
+from conftest import SQLITE_URL
+from models import Company, Freebie, Dev
+
+
+# engine = create_engine(SQLITE_URL)
+# Session = sessionmaker(bind=engine)
+# session = Session()
+
+class TestFreebie:
+  def test_returns_dev_instance(self):
+
+
+    engine = create_engine(SQLITE_URL)
+    Session = sessionmaker(bind=engine)
+    session = Session()
+
+    freebie = Freebie( 
+      item_name="earl",
+      value=150,
+      company_id=3,
+      dev_id=4,
+
+    )
+
+
+
+    session.add(freebie)
+    session.commit()
+
+    assert isinstance(freebie.dev, Dev)
+    assert isinstance(freebie.company, Company)
+    session.query(Freebie).delete()
+    session.commit()
+
+
+class TestCompany:
+  def test_returns_dev_instance(self):
+
+
+    engine = create_engine(SQLITE_URL)
+    Session = sessionmaker(bind=engine)
+    session = Session()
+
+    freebie = Freebie( 
+      item_name="earl",
+      value=150,
+      company_id=3,
+      dev_id=4,
+
+    )
+
+    session.add(freebie)
+    session.commit()
+
+    assert isinstance(freebie.dev, Dev)
+    session.query(Freebie).delete()
+    session.commit()
+
diff --git a/pytest.ini b/pytest.ini
new file mode 100644
index 000000000..6aa9ee997
--- /dev/null
+++ b/pytest.ini
@@ -0,0 +1,2 @@
+[pytest]
+pythonpath = . lib
\ No newline at end of file